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Medical reasons for inducing or performing an abortion are usually due to concerns about fetal viability or disability. These reasons include chromosomal and genetic abnormalities, [6] structural abnormalities, [7] and fetal reduction. [8] The medical reasons may also be about the ability of the mother to survive the pregnancy without injury.
646 Other complications of pregnancy, not elsewhere classified 646.0 Papyraceous fetus; 646.1 Edema or excessive weight gain in pregnancy without mention of hypertension; 646.2 Unspecified renal disease in pregnancy without mention of hypertension; 646.3 Habitual aborter currently pregnant; 646.4 Peripheral neuritis in pregnancy
It takes place in normal pregnancies as well as when there are obstetric or trauma related complications to pregnancy. Normally the maternal circulation and the fetal circulation are kept from direct contact with each other, with gas and nutrient exchange taking place across a membrane in the placenta made of two layers, the syncytiotrophoblast ...
Reasons for late terminations of pregnancy include circumstances where a pregnant woman's health is at risk or when birth defects, such as lethal fetal abnormalities, have been detected. [7] [8] In the United States, the mortality rate for legal abortions overall is less than 1 in 100,000 procedures performed.
Medical reasons for seeking an abortion later in pregnancy include fetal anomalies and health risk to the pregnant person. [170] There are prenatal tests that can diagnose Down Syndrome or cystic fibrosis as early as 10 weeks into gestation, but structural fetal anomalies are often detected much later in pregnancy. [ 169 ]
The cause of placental abruption is not entirely clear. [2] Risk factors include smoking, pre-eclampsia, prior abruption (most important and predictive risk factor), trauma during pregnancy, cocaine use, and previous cesarean section. [2] [1] Diagnosis is based on symptoms and supported by ultrasound. [1] It is classified as a complication of ...
A heterotopic pregnancy is a complication of pregnancy in which both extrauterine pregnancy and intrauterine pregnancy occur simultaneously. [2] It may also be referred to as a combined ectopic pregnancy, multiple‑sited pregnancy, or coincident pregnancy. The most common site of the extrauterine pregnancy is the fallopian tube.
The study included women admitted to hospital for one or more days for reasons other than delivery or venous thromboembolism. [5] Pregnancy after the age of 35 augments the risk of VTE, as does multigravidity of more than four pregnancies. [2] Pregnancy in itself causes approximately a five-fold increased risk of deep venous thrombosis. [6]