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Obstetrical hemorrhage

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Obstetrical hemorrhage
Classification and external resources
ICD-10 O20, O46, O67, O72
ICD-9 641, 666

Obstetrical hemorrhage refers to heavy bleeding during pregnancy, labor, or the puerperium. Bleeding may be vaginal and external, or, less commonly but more dangerously, internal, into the abdominal cavity. Typically bleeding is related to the pregnancy itself, but some forms of bleeding are caused by other events. Obstetrical hemorrhage is a major cause of maternal mortality.

Early pregnancy bleeding

In ICD-10, early pregnancy bleeding (code O20.9) refers to obstetrical hemorrhage before 20 completed weeks of gestational age.12

First trimester bleeding, is obstetrical hemorrhage in the first trimester (0 weeks-12 weeks of gestational age). First trimester bleeding is a common occurrence and estimated to occur in approximately 25% of all (clinically recognized) pregnancies.34

Differential diagnosis of first trimester bleeding is as follows, with the mnemonic AGE IS Low (during first trimester):

Antepartum hemorrhage

Main article: Antepartum hemorrhage

Antepartum haemorrhage (APH), also prepartum hemorrhage, is bleeding during pregnancy from the 7 24th week (sometimes defined as from the 20th week78) gestational age to term. The primary consideration is the presence of a placenta previa that is a low lying placenta, a condition that usually needs to be resolved by delivering the baby via cesarean section. Also a placental abruption (in which there is premature separation of the placenta )can lead to obstetrical hemorrhage, some times concealed.

Bleeding during labor

Besides placenta previa and placental abruption, uterine rupture can occur as a very serious condition leading to internal or external bleeding. Bleeding from the fetus is rare, usually not heavy, but always very serious for the baby. This condition is called as Vasa Previa. Occasionally this condition can be diagnosed by ultrasound. There are also tests to differentiate maternal blood from fetal blood which can help in determining the source of the bleed.9

Postpartum hemorrhage

Main article: Postpartum hemorrhage

Hemorrhage after delivery, or postpartum hemorrhage, is the loss of greater than 500 ml of blood following vaginal delivery, or 1000 ml of blood following cesarean section. Other definitions of post partum haemorrhage are haemodynamic instability, drop of haemoglobin of more than 1 g % or requiring blood transfusion.

Unrelated bleeding

Pregnant patients may have bleeding from the reproductive tract due to trauma, including sexual trauma, neoplasm, most commonly cervical cancer, and hematologic disorders.

See also

References

  1. ^ page 436 in: 2013 ICD-10-CM Draft Edition, by Carol J. Buck, Elsevier Health Sciences, 2013. ISBN 9781455774883.
  2. ^ 2014 ICD-10-CM Diagnosis Code O20.9 from 2014 ICD-10-CM/PCS Medical Coding Reference].
  3. ^ Pregnancy, Bleeding. eMedicineHealth. URL: http://www.emedicinehealth.com/pregnancy_bleeding/article_em.htm. Accessed on: April 12, 2009.
  4. ^ Behera MA, Price TM. Threatened Abortion. eMedicine.com. URL: http://emedicine.medscape.com/article/266110-overview. Accessed on: April 12, 2009.
  5. ^ Hasan, R.; Baird, D. D.; Herring, A. H.; Olshan, A. F.; Jonsson Funk, M. L.; Hartmann, K. E. (2009). "Association Between First-Trimester Vaginal Bleeding and Miscarriage". Obstetrics & Gynecology 114 (4): 860. doi:10.1097/AOG.0b013e3181b79796. 
  6. ^ Kirk, E.; Bottomley, C.; Bourne, T. (2013). "Diagnosing ectopic pregnancy and current concepts in the management of pregnancy of unknown location". Human Reproduction Update 20 (2): 250–61. doi:10.1093/humupd/dmt047. PMID 24101604. 
  7. ^ a b patient.co.uk » PatientPlus » Antepartum Haemorrhage Last Updated: 5 May 2009
  8. ^ The Royal Women’s Hospital > antepartum haemorrhage Retrieved on Jan 13, 2009
  9. ^ "Placenta praevia, placenta praevia accreta and vasa praevia: diagnosis and management" (pdf). January 2011. Retrieved 31 August 2012. 


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