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Breakthrough bleeding (BTB) is any of various forms of vaginal bleeding, usually referring to mid-cycle bleeding in users of combined oral contraceptives as attributed to insufficient estrogens. [5] It may also occur with other hormonal contraceptives. Sometimes, breakthrough bleeding is classified as abnormal and thereby as a form of IMB. [6]
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. [4] [5] Causes of bleeding after childbirth include poor contraction of the uterus, retained products of conception, and bleeding disorders. [4]
Bleeding in excess of this norm in a nonpregnant woman constitutes gynecologic hemorrhage. In addition, early pregnancy bleeding has sometimes been included as gynecologic hemorrhage, namely bleeding from a miscarriage or an ectopic pregnancy, while it actually represents obstetrical bleeding. However, from a practical view, early pregnancy ...
[6] [7] [5] Vaginal bleeding during pregnancy can be normal, especially in early pregnancy. [8] However, bleeding may also indicate a pregnancy complication that needs to be medically addressed. [8] During pregnancy bleeding is usually, but not always, related to the pregnancy itself.
Most patients with a small subchorionic hematoma are asymptomatic. [5] 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 ...
Hormone levels, bleeding, a positive pregnancy test and an ultrasound of an empty uterus all indicate an ectopic pregnancy. “You can't be 100% — that's the tricky part," said Kate Arnold, an ...
Obstetric causes of first trimester bleeding include the following: Early pregnancy loss is a term often used interchangeably with spontaneous abortion and miscarriage and refers to pregnancy loss during the first trimester. [7] It is the most common cause of early pregnancy bleeding and is associated only with heavy (versus light) bleeding. [8]
The bleeding can be from the uterus, cervix, vagina and other tissue or organs located near the vagina. [4] Postcoital bleeding can be one of the first indications of cervical cancer. [5] [6] There are other reasons why vaginal bleeding may occur after intercourse. Some women will bleed after intercourse for the first time but others will not.