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Implantation bleeding involves a small amount of bleeding that may occur 10 to 14 days after implantation of the fertilized egg. However, there is little evidence to support the existence of such bleeding. [10] Chorionic hematoma is the pooling of blood between the chorion, a membrane surrounding the embryo, and the uterine wall.
Bleeding before childbirth is that which occurs after 24 weeks of pregnancy. [4] Bleeding may be vaginal or less commonly into the abdominal cavity. Bleeding which occurs before 24 weeks is known as early pregnancy bleeding. Causes of bleeding before and during childbirth include cervicitis, placenta previa, placental abruption and uterine rupture.
Implantation bleeding. "Implantation bleeding is thought to be light bleeding that occurs about 10 days after ovulation," says Washington, D.C.-based ob-gyn Dr. Cordelia Nwankwo. This type of ...
This is a shortened version of the eleventh chapter of the ICD-9: Complications of Pregnancy, Childbirth, and the Puerperium. It covers ICD codes 630 to 679 . The full chapter can be found on pages 355 to 378 of Volume 1, which contains all (sub)categories of the ICD-9.
Along with placenta previa and uterine rupture it is one of the most common causes of vaginal bleeding in the later part of pregnancy. [6] Placental abruption is the reason for about 15% of infant deaths around the time of birth. [2] The condition was described at least as early as 1664. [7]
Implantation bleeding may be confused with a regular period. [3] [4] Heavy vaginal bleeding in the first trimester or bleeding associated with pain, may be a sign of a complication, such as a miscarriage or an ectopic pregnancy, that would need to be assessed by a healthcare provider. [5]
[35] [36] [37] Bleeding can be a symptom of miscarriage, but many women also have bleeding in early pregnancy and do not miscarry. [38] Bleeding during the first half of pregnancy may be referred to as a threatened miscarriage. [39] Of those who seek treatment for bleeding during pregnancy, about half will miscarry. [40]
Symptoms include vaginal bleeding, abdominal pain, premature labor and threatened miscarriage. [6] Ultrasonography is the preferred method of diagnosis. [7] A chorionic hematoma appears on ultrasound as a hypoechoic crescent adjacent to the gestational sac. The hematoma is considered small if it is under 20% of the size of the sac and large if ...