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Miscarriage, also known in medical terms as a spontaneous abortion, is the death and expulsion of an embryo or fetus before it can survive independently. [1][4] The term miscarriage is sometimes used to refer to all forms of pregnancy loss and pregnancy with abortive outcomes before 20 weeks of gestation. Miscarriage before 6 weeks of gestation ...
007382. eMedicine. 252560. [ edit on Wikidata] Abortion is the termination of a pregnancy by removal or expulsion of an embryo or fetus. [ nb 1 ][ 2 ] An abortion that occurs without intervention is known as a miscarriage or "spontaneous abortion"; these occur in approximately 30% to 40% of all pregnancies. [ 3 ][ 4 ] When deliberate steps are ...
It can be performed at or after week 12 of pregnancy. At this point, 3 ⁄ 4 of fetal sexes can be correctly determined, according to a 2001 study. [56] Accuracy for males is approximately 50% and for females almost 100%. When performed after week 13 of pregnancy, ultrasonography gives an accurate result in almost 100% of cases. [56]
The following is a partial list of definitions as stated by obstetrics and gynecology (OB/GYN) textbooks, dictionaries, and encyclopedias: . Major OB/GYN textbooks. The National Center for Health Statistics defines an "abortus" as "[a] fetus or embryo removed or expelled from the uterus during the first half of gestation—20 weeks or less, or in the absence of accurate dating criteria, born ...
Abortion rates tend to be higher among minority women in the United States. In 2000–2001, the rates among black and Hispanic women were 49 per 1,000 and 33 per 1,000, respectively, vs. 13 per 1,000 among non-Hispanic white women. This figure includes all women of reproductive age, including women that are not pregnant.
The third trimester is defined as starting, between the beginning of week 28 (27 weeks + 0 days of GA) [36] or beginning of week 29 (28 weeks + 0 days of GA). [4] It lasts until childbirth . Timeline of pregnancy, including (from top to bottom): Trimesters, embryo/fetus development, gestational age in weeks and months, viability and maturity stages
Gestation. 13–24 weeks. Infobox references. Dilation and evacuation (D&E) or dilatation and evacuation (British English) is the dilation of the cervix and surgical evacuation of the uterus (potentially including the fetus, placenta and other tissue) after the first trimester of pregnancy. It is a method of abortion as well as a common ...
In human pregnancy, prenatal development is also called antenatal development. The development of the human embryo follows fertilization, and continues as fetal development. By the end of the tenth week of gestational age, the embryo has acquired its basic form and is referred to as a fetus. The next period is that of fetal development where ...