Other maternal disorders predominantly related to pregnancy (O20-O29)
chapter 15: Pregnancy, Childbirth and the Puerperium
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Instructional notes
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Coding of obstetric cases with O00-O9A codes: sequencing priority, trimester and fetus characters, principal diagnosis selection, delivery outcome, and pregnancy-related complications.
- General Rules for Obstetric Cases (page 63)
- Selection of OB Principal or First-listed Diagnosis (page 64)
- Pre-existing conditions versus conditions due to the pregnancy (page 65)
- Pre-existing hypertension in pregnancy (page 66)
- Fetal Conditions Affecting the Management of the Mother (page 66)
- HIV Infection in Pregnancy, Childbirth and the Puerperium (page 66)
- Diabetes mellitus in pregnancy (page 66)
- Long term use of insulin and oral hypoglycemics (page 67)
All codes under O20-O29
O20-O29 can't be used on a claim. Pick a billable code below; grey headings group them.
- O20Hemorrhage in early pregnancy
- O20.0Threatened abortion
- O20.8Other hemorrhage in early pregnancy
- O20.9Hemorrhage in early pregnancy, unspecified
- O21Excessive vomiting in pregnancy
- O21.0Mild hyperemesis gravidarum
- O21.1Hyperemesis gravidarum with metabolic disturbance
- O21.2Late vomiting of pregnancy
- O21.8Other vomiting complicating pregnancy
- O21.9Vomiting of pregnancy, unspecified
- O22Venous complications and hemorrhoids in pregnancy
- O22.0Varicose veins of lower extremity in pregnancy
- O22.00Varicose veins of lower extremity in pregnancy, unspecified trimester
- O22.01Varicose veins of lower extremity in pregnancy, first trimester
- O22.02Varicose veins of lower extremity in pregnancy, second trimester
- O22.03Varicose veins of lower extremity in pregnancy, third trimester
- O22.1Genital varices in pregnancy
- O22.10Genital varices in pregnancy, unspecified trimester
- O22.11Genital varices in pregnancy, first trimester
- O22.12Genital varices in pregnancy, second trimester
- O22.13Genital varices in pregnancy, third trimester
- O22.2Superficial thrombophlebitis in pregnancy
- O22.20Superficial thrombophlebitis in pregnancy, unspecified trimester
- O22.21Superficial thrombophlebitis in pregnancy, first trimester
- O22.22Superficial thrombophlebitis in pregnancy, second trimester
- O22.23Superficial thrombophlebitis in pregnancy, third trimester
- O22.3Deep phlebothrombosis in pregnancy
- O22.30Deep phlebothrombosis in pregnancy, unspecified trimester
- O22.31Deep phlebothrombosis in pregnancy, first trimester
- O22.32Deep phlebothrombosis in pregnancy, second trimester
- O22.33Deep phlebothrombosis in pregnancy, third trimester
- O22.4Hemorrhoids in pregnancy
- O22.40Hemorrhoids in pregnancy, unspecified trimester
- O22.41Hemorrhoids in pregnancy, first trimester
- O22.42Hemorrhoids in pregnancy, second trimester
- O22.43Hemorrhoids in pregnancy, third trimester
- O22.5Cerebral venous thrombosis in pregnancy
- O22.50Cerebral venous thrombosis in pregnancy, unspecified trimester
- O22.51Cerebral venous thrombosis in pregnancy, first trimester
- O22.52Cerebral venous thrombosis in pregnancy, second trimester
- O22.53Cerebral venous thrombosis in pregnancy, third trimester
- O22.8Other venous complications in pregnancy
- O22.8XOther venous complications in pregnancy
- O22.8X1Other venous complications in pregnancy, first trimester
- O22.8X2Other venous complications in pregnancy, second trimester
- O22.8X3Other venous complications in pregnancy, third trimester
- O22.8X9Other venous complications in pregnancy, unspecified trimester
- O22.9Venous complication in pregnancy, unspecified
- O22.90Venous complication in pregnancy, unspecified, unspecified trimester
- O22.91Venous complication in pregnancy, unspecified, first trimester
- O22.92Venous complication in pregnancy, unspecified, second trimester
- O22.93Venous complication in pregnancy, unspecified, third trimester
- O23Infections of genitourinary tract in pregnancy
- O23.0Infections of kidney in pregnancy
- O23.00Infections of kidney in pregnancy, unspecified trimester
- O23.01Infections of kidney in pregnancy, first trimester
- O23.02Infections of kidney in pregnancy, second trimester
- O23.03Infections of kidney in pregnancy, third trimester
- O23.1Infections of bladder in pregnancy
- O23.10Infections of bladder in pregnancy, unspecified trimester
- O23.11Infections of bladder in pregnancy, first trimester
- O23.12Infections of bladder in pregnancy, second trimester
- O23.13Infections of bladder in pregnancy, third trimester
- O23.2Infections of urethra in pregnancy
- O23.20Infections of urethra in pregnancy, unspecified trimester
- O23.21Infections of urethra in pregnancy, first trimester
- O23.22Infections of urethra in pregnancy, second trimester
- O23.23Infections of urethra in pregnancy, third trimester
- O23.3Infections of other parts of urinary tract in pregnancy
- O23.30Infections of other parts of urinary tract in pregnancy, unspecified trimester
- O23.31Infections of other parts of urinary tract in pregnancy, first trimester
- O23.32Infections of other parts of urinary tract in pregnancy, second trimester
- O23.33Infections of other parts of urinary tract in pregnancy, third trimester
- O23.4Unspecified infection of urinary tract in pregnancy
- O23.40Unspecified infection of urinary tract in pregnancy, unspecified trimester
- O23.41Unspecified infection of urinary tract in pregnancy, first trimester
- O23.42Unspecified infection of urinary tract in pregnancy, second trimester
- O23.43Unspecified infection of urinary tract in pregnancy, third trimester
- O23.5Infections of the genital tract in pregnancy
- O23.51Infection of cervix in pregnancy
- O23.511Infections of cervix in pregnancy, first trimester
- O23.512Infections of cervix in pregnancy, second trimester
- O23.513Infections of cervix in pregnancy, third trimester
- O23.519Infections of cervix in pregnancy, unspecified trimester
- O23.52Salpingo-oophoritis in pregnancy
- O23.521Salpingo-oophoritis in pregnancy, first trimester
- O23.522Salpingo-oophoritis in pregnancy, second trimester
- O23.523Salpingo-oophoritis in pregnancy, third trimester
- O23.529Salpingo-oophoritis in pregnancy, unspecified trimester
- O23.59Infection of other part of genital tract in pregnancy
- O23.591Infection of other part of genital tract in pregnancy, first trimester
- O23.592Infection of other part of genital tract in pregnancy, second trimester
- O23.593Infection of other part of genital tract in pregnancy, third trimester
- O23.599Infection of other part of genital tract in pregnancy, unspecified trimester
- O23.9Unspecified genitourinary tract infection in pregnancy
- O23.90Unspecified genitourinary tract infection in pregnancy, unspecified trimester
- O23.91Unspecified genitourinary tract infection in pregnancy, first trimester
- O23.92Unspecified genitourinary tract infection in pregnancy, second trimester
- O23.93Unspecified genitourinary tract infection in pregnancy, third trimester
- O24Diabetes mellitus in pregnancy, childbirth, and the puerperium
- O24.0Pre-existing type 1 diabetes mellitus, in pregnancy, childbirth and the puerperium
- O24.01Pre-existing type 1 diabetes mellitus, in pregnancy
- O24.011Pre-existing type 1 diabetes mellitus, in pregnancy, first trimester
- O24.012Pre-existing type 1 diabetes mellitus, in pregnancy, second trimester
- O24.013Pre-existing type 1 diabetes mellitus, in pregnancy, third trimester
- O24.019Pre-existing type 1 diabetes mellitus, in pregnancy, unspecified trimester
- O24.02Pre-existing type 1 diabetes mellitus, in childbirth
- O24.03Pre-existing type 1 diabetes mellitus, in the puerperium
- O24.1Pre-existing type 2 diabetes mellitus, in pregnancy, childbirth and the puerperium
- O24.11Pre-existing type 2 diabetes mellitus, in pregnancy
- O24.111Pre-existing type 2 diabetes mellitus, in pregnancy, first trimester
- O24.112Pre-existing type 2 diabetes mellitus, in pregnancy, second trimester
- O24.113Pre-existing type 2 diabetes mellitus, in pregnancy, third trimester
- O24.119Pre-existing type 2 diabetes mellitus, in pregnancy, unspecified trimester
- O24.12Pre-existing type 2 diabetes mellitus, in childbirth
- O24.13Pre-existing type 2 diabetes mellitus, in the puerperium
- O24.3Unspecified pre-existing diabetes mellitus in pregnancy, childbirth and the puerperium
- O24.31Unspecified pre-existing diabetes mellitus in pregnancy
- O24.311Unspecified pre-existing diabetes mellitus in pregnancy, first trimester
- O24.312Unspecified pre-existing diabetes mellitus in pregnancy, second trimester
- O24.313Unspecified pre-existing diabetes mellitus in pregnancy, third trimester
- O24.319Unspecified pre-existing diabetes mellitus in pregnancy, unspecified trimester
- O24.32Unspecified pre-existing diabetes mellitus in childbirth
- O24.33Unspecified pre-existing diabetes mellitus in the puerperium
- O24.4Gestational diabetes mellitus
- O24.41Gestational diabetes mellitus in pregnancy
- O24.410Gestational diabetes mellitus in pregnancy, diet controlled
- O24.414Gestational diabetes mellitus in pregnancy, insulin controlled
- O24.415Gestational diabetes mellitus in pregnancy, controlled by oral hypoglycemic drugs
- O24.419Gestational diabetes mellitus in pregnancy, unspecified control
- O24.42Gestational diabetes mellitus in childbirth
- O24.420Gestational diabetes mellitus in childbirth, diet controlled
- O24.424Gestational diabetes mellitus in childbirth, insulin controlled
- O24.425Gestational diabetes mellitus in childbirth, controlled by oral hypoglycemic drugs
- O24.429Gestational diabetes mellitus in childbirth, unspecified control
- O24.43Gestational diabetes mellitus in the puerperium
- O24.430Gestational diabetes mellitus in the puerperium, diet controlled
- O24.434Gestational diabetes mellitus in the puerperium, insulin controlled
- O24.435Gestational diabetes mellitus in puerperium, controlled by oral hypoglycemic drugs
- O24.439Gestational diabetes mellitus in the puerperium, unspecified control
- O24.8Other pre-existing diabetes mellitus in pregnancy, childbirth, and the puerperium
- O24.81Other pre-existing diabetes mellitus in pregnancy
- O24.811Other pre-existing diabetes mellitus in pregnancy, first trimester
- O24.812Other pre-existing diabetes mellitus in pregnancy, second trimester
- O24.813Other pre-existing diabetes mellitus in pregnancy, third trimester
- O24.819Other pre-existing diabetes mellitus in pregnancy, unspecified trimester
- O24.82Other pre-existing diabetes mellitus in childbirth
- O24.83Other pre-existing diabetes mellitus in the puerperium
- O24.9Unspecified diabetes mellitus in pregnancy, childbirth and the puerperium
- O24.91Unspecified diabetes mellitus in pregnancy
- O24.911Unspecified diabetes mellitus in pregnancy, first trimester
- O24.912Unspecified diabetes mellitus in pregnancy, second trimester
- O24.913Unspecified diabetes mellitus in pregnancy, third trimester
- O24.919Unspecified diabetes mellitus in pregnancy, unspecified trimester
- O24.92Unspecified diabetes mellitus in childbirth
- O24.93Unspecified diabetes mellitus in the puerperium
- O25Malnutrition in pregnancy, childbirth and the puerperium
- O25.1Malnutrition in pregnancy
- O25.10Malnutrition in pregnancy, unspecified trimester
- O25.11Malnutrition in pregnancy, first trimester
- O25.12Malnutrition in pregnancy, second trimester
- O25.13Malnutrition in pregnancy, third trimester
- O25.2Malnutrition in childbirth
- O25.3Malnutrition in the puerperium
- O26Maternal care for other conditions predominantly related to pregnancy
- O26.0Excessive weight gain in pregnancy
- O26.00Excessive weight gain in pregnancy, unspecified trimester
- O26.01Excessive weight gain in pregnancy, first trimester
- O26.02Excessive weight gain in pregnancy, second trimester
- O26.03Excessive weight gain in pregnancy, third trimester
- O26.1Low weight gain in pregnancy
- O26.10Low weight gain in pregnancy, unspecified trimester
- O26.11Low weight gain in pregnancy, first trimester
- O26.12Low weight gain in pregnancy, second trimester
- O26.13Low weight gain in pregnancy, third trimester
- O26.2Pregnancy care for patient with recurrent pregnancy loss
- O26.20Pregnancy care for patient with recurrent pregnancy loss, unspecified trimester
- O26.21Pregnancy care for patient with recurrent pregnancy loss, first trimester
- O26.22Pregnancy care for patient with recurrent pregnancy loss, second trimester
- O26.23Pregnancy care for patient with recurrent pregnancy loss, third trimester
- O26.3Retained intrauterine contraceptive device in pregnancy
- O26.30Retained intrauterine contraceptive device in pregnancy, unspecified trimester
- O26.31Retained intrauterine contraceptive device in pregnancy, first trimester
- O26.32Retained intrauterine contraceptive device in pregnancy, second trimester
- O26.33Retained intrauterine contraceptive device in pregnancy, third trimester
- O26.4Herpes gestationis
- O26.40Herpes gestationis, unspecified trimester
- O26.41Herpes gestationis, first trimester
- O26.42Herpes gestationis, second trimester
- O26.43Herpes gestationis, third trimester
- O26.5Maternal hypotension syndrome
- O26.50Maternal hypotension syndrome, unspecified trimester
- O26.51Maternal hypotension syndrome, first trimester
- O26.52Maternal hypotension syndrome, second trimester
- O26.53Maternal hypotension syndrome, third trimester
- O26.6Liver and biliary tract disorders in pregnancy, childbirth and the puerperium
- O26.61Liver and biliary tract disorders in pregnancy
- O26.611Liver and biliary tract disorders in pregnancy, first trimester
- O26.612Liver and biliary tract disorders in pregnancy, second trimester
- O26.613Liver and biliary tract disorders in pregnancy, third trimester
- O26.619Liver and biliary tract disorders in pregnancy, unspecified trimester
- O26.62Liver and biliary tract disorders in childbirth
- O26.63Liver and biliary tract disorders in the puerperium
- O26.64Intrahepatic cholestasis of pregnancy
- O26.641Intrahepatic cholestasis of pregnancy, first trimester
- O26.642Intrahepatic cholestasis of pregnancy, second trimester
- O26.643Intrahepatic cholestasis of pregnancy, third trimester
- O26.649Intrahepatic cholestasis of pregnancy, unspecified trimester
- O26.7Subluxation of symphysis (pubis) in pregnancy, childbirth and the puerperium
- O26.71Subluxation of symphysis (pubis) in pregnancy
- O26.711Subluxation of symphysis (pubis) in pregnancy, first trimester
- O26.712Subluxation of symphysis (pubis) in pregnancy, second trimester
- O26.713Subluxation of symphysis (pubis) in pregnancy, third trimester
- O26.719Subluxation of symphysis (pubis) in pregnancy, unspecified trimester
- O26.72Subluxation of symphysis (pubis) in childbirth
- O26.73Subluxation of symphysis (pubis) in the puerperium
- O26.8Other specified pregnancy related conditions
- O26.81Pregnancy related exhaustion and fatigue
- O26.811Pregnancy related exhaustion and fatigue, first trimester
- O26.812Pregnancy related exhaustion and fatigue, second trimester
- O26.813Pregnancy related exhaustion and fatigue, third trimester
- O26.819Pregnancy related exhaustion and fatigue, unspecified trimester
- O26.82Pregnancy related peripheral neuritis
- O26.821Pregnancy related peripheral neuritis, first trimester
- O26.822Pregnancy related peripheral neuritis, second trimester
- O26.823Pregnancy related peripheral neuritis, third trimester
- O26.829Pregnancy related peripheral neuritis, unspecified trimester
- O26.83Pregnancy related renal disease
- O26.831Pregnancy related renal disease, first trimester
- O26.832Pregnancy related renal disease, second trimester
- O26.833Pregnancy related renal disease, third trimester
- O26.839Pregnancy related renal disease, unspecified trimester
- O26.84Uterine size-date discrepancy complicating pregnancy
- O26.841Uterine size-date discrepancy, first trimester
- O26.842Uterine size-date discrepancy, second trimester
- O26.843Uterine size-date discrepancy, third trimester
- O26.849Uterine size-date discrepancy, unspecified trimester
- O26.85Spotting complicating pregnancy
- O26.851Spotting complicating pregnancy, first trimester
- O26.852Spotting complicating pregnancy, second trimester
- O26.853Spotting complicating pregnancy, third trimester
- O26.859Spotting complicating pregnancy, unspecified trimester
- O26.86Pruritic urticarial papules and plaques of pregnancy (PUPPP)
- O26.87Cervical shortening
- O26.872Cervical shortening, second trimester
- O26.873Cervical shortening, third trimester
- O26.879Cervical shortening, unspecified trimester
- O26.89Other specified pregnancy related conditions
- O26.891Other specified pregnancy related conditions, first trimester
- O26.892Other specified pregnancy related conditions, second trimester
- O26.893Other specified pregnancy related conditions, third trimester
- O26.899Other specified pregnancy related conditions, unspecified trimester
- O26.9Pregnancy related conditions, unspecified
- O26.90Pregnancy related conditions, unspecified, unspecified trimester
- O26.91Pregnancy related conditions, unspecified, first trimester
- O26.92Pregnancy related conditions, unspecified, second trimester
- O26.93Pregnancy related conditions, unspecified, third trimester
- O28Abnormal findings on antenatal screening of mother
- O28.0Abnormal hematological finding on antenatal screening of mother
- O28.1Abnormal biochemical finding on antenatal screening of mother
- O28.2Abnormal cytological finding on antenatal screening of mother
- O28.3Abnormal ultrasonic finding on antenatal screening of mother
- O28.4Abnormal radiological finding on antenatal screening of mother
- O28.5Abnormal chromosomal and genetic finding on antenatal screening of mother
- O28.8Other abnormal findings on antenatal screening of mother
- O28.9Unspecified abnormal findings on antenatal screening of mother
- O29Complications of anesthesia during pregnancy
- O29.0Pulmonary complications of anesthesia during pregnancy
- O29.01Aspiration pneumonitis due to anesthesia during pregnancy
- O29.011Aspiration pneumonitis due to anesthesia during pregnancy, first trimester
- O29.012Aspiration pneumonitis due to anesthesia during pregnancy, second trimester
- O29.013Aspiration pneumonitis due to anesthesia during pregnancy, third trimester
- O29.019Aspiration pneumonitis due to anesthesia during pregnancy, unspecified trimester
- O29.02Pressure collapse of lung due to anesthesia during pregnancy
- O29.021Pressure collapse of lung due to anesthesia during pregnancy, first trimester
- O29.022Pressure collapse of lung due to anesthesia during pregnancy, second trimester
- O29.023Pressure collapse of lung due to anesthesia during pregnancy, third trimester
- O29.029Pressure collapse of lung due to anesthesia during pregnancy, unspecified trimester
- O29.09Other pulmonary complications of anesthesia during pregnancy
- O29.091Other pulmonary complications of anesthesia during pregnancy, first trimester
- O29.092Other pulmonary complications of anesthesia during pregnancy, second trimester
- O29.093Other pulmonary complications of anesthesia during pregnancy, third trimester
- O29.099Other pulmonary complications of anesthesia during pregnancy, unspecified trimester
- O29.1Cardiac complications of anesthesia during pregnancy
- O29.11Cardiac arrest due to anesthesia during pregnancy
- O29.111Cardiac arrest due to anesthesia during pregnancy, first trimester
- O29.112Cardiac arrest due to anesthesia during pregnancy, second trimester
- O29.113Cardiac arrest due to anesthesia during pregnancy, third trimester
- O29.119Cardiac arrest due to anesthesia during pregnancy, unspecified trimester
- O29.12Cardiac failure due to anesthesia during pregnancy
- O29.121Cardiac failure due to anesthesia during pregnancy, first trimester
- O29.122Cardiac failure due to anesthesia during pregnancy, second trimester
- O29.123Cardiac failure due to anesthesia during pregnancy, third trimester
- O29.129Cardiac failure due to anesthesia during pregnancy, unspecified trimester
- O29.19Other cardiac complications of anesthesia during pregnancy
- O29.191Other cardiac complications of anesthesia during pregnancy, first trimester
- O29.192Other cardiac complications of anesthesia during pregnancy, second trimester
- O29.193Other cardiac complications of anesthesia during pregnancy, third trimester
- O29.199Other cardiac complications of anesthesia during pregnancy, unspecified trimester
- O29.2Central nervous system complications of anesthesia during pregnancy
- O29.21Cerebral anoxia due to anesthesia during pregnancy
- O29.211Cerebral anoxia due to anesthesia during pregnancy, first trimester
- O29.212Cerebral anoxia due to anesthesia during pregnancy, second trimester
- O29.213Cerebral anoxia due to anesthesia during pregnancy, third trimester
- O29.219Cerebral anoxia due to anesthesia during pregnancy, unspecified trimester
- O29.29Other central nervous system complications of anesthesia during pregnancy
- O29.291Other central nervous system complications of anesthesia during pregnancy, first trimester
- O29.292Other central nervous system complications of anesthesia during pregnancy, second trimester
- O29.293Other central nervous system complications of anesthesia during pregnancy, third trimester
- O29.299Other central nervous system complications of anesthesia during pregnancy, unspecified trimester
- O29.3Toxic reaction to local anesthesia during pregnancy
- O29.3XToxic reaction to local anesthesia during pregnancy
- O29.3X1Toxic reaction to local anesthesia during pregnancy, first trimester
- O29.3X2Toxic reaction to local anesthesia during pregnancy, second trimester
- O29.3X3Toxic reaction to local anesthesia during pregnancy, third trimester
- O29.3X9Toxic reaction to local anesthesia during pregnancy, unspecified trimester
- O29.4Spinal and epidural anesthesia induced headache during pregnancy
- O29.40Spinal and epidural anesthesia induced headache during pregnancy, unspecified trimester
- O29.41Spinal and epidural anesthesia induced headache during pregnancy, first trimester
- O29.42Spinal and epidural anesthesia induced headache during pregnancy, second trimester
- O29.43Spinal and epidural anesthesia induced headache during pregnancy, third trimester
- O29.5Other complications of spinal and epidural anesthesia during pregnancy
- O29.5XOther complications of spinal and epidural anesthesia during pregnancy
- O29.5X1Other complications of spinal and epidural anesthesia during pregnancy, first trimester
- O29.5X2Other complications of spinal and epidural anesthesia during pregnancy, second trimester
- O29.5X3Other complications of spinal and epidural anesthesia during pregnancy, third trimester
- O29.5X9Other complications of spinal and epidural anesthesia during pregnancy, unspecified trimester
- O29.6Failed or difficult intubation for anesthesia during pregnancy
- O29.60Failed or difficult intubation for anesthesia during pregnancy, unspecified trimester
- O29.61Failed or difficult intubation for anesthesia during pregnancy, first trimester
- O29.62Failed or difficult intubation for anesthesia during pregnancy, second trimester
- O29.63Failed or difficult intubation for anesthesia during pregnancy, third trimester
- O29.8Other complications of anesthesia during pregnancy
- O29.8XOther complications of anesthesia during pregnancy
- O29.8X1Other complications of anesthesia during pregnancy, first trimester
- O29.8X2Other complications of anesthesia during pregnancy, second trimester
- O29.8X3Other complications of anesthesia during pregnancy, third trimester
- O29.8X9Other complications of anesthesia during pregnancy, unspecified trimester
- O29.9Unspecified complication of anesthesia during pregnancy
- O29.90Unspecified complication of anesthesia during pregnancy, unspecified trimester
- O29.91Unspecified complication of anesthesia during pregnancy, first trimester
- O29.92Unspecified complication of anesthesia during pregnancy, second trimester
- O29.93Unspecified complication of anesthesia during pregnancy, third trimester
O20-O29 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Health Problems in Pregnancy
A health problem in pregnancy is any disease or condition that could affect your health or the health of your fetus. Some health problems may make it more likely that you will have a high-risk pregnancy. A high-risk pregnancy is one in which you, your fetus, or both are at higher risk for health problems than in a typical pregnancy.
Read more about health problems in pregnancy on MedlinePlusVaginal Bleeding
Menstruation, or a period, is a woman's monthly bleeding. Abnormal vaginal bleeding is different from normal menstrual periods. It could be bleeding that is between periods, is very heavy, or lasts much longer than usual. It also includes bleeding that happens before puberty or after menopause. Causes can include:
Read more about vaginal bleeding on MedlinePlus