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6 days ago · History. Epidemiology. Society and culture. See also. References. External links. Childbirth, also known as labour, parturition and delivery, is the completion of pregnancy where one or more babies exits the internal environment of the mother via vaginal delivery or caesarean section. [7] .
May 20, 2024 · There are three stages of prenatal development: the germinal, embryonic, and fetal stages. The first two weeks after conception are known as the germinal stage, the third through the eighth week is known as the embryonic period, and the time from the ninth week until birth is known as the fetal period.
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2 days ago · abortion, the expulsion of a fetus from the uterus before it has reached the stage of viability (in human beings, usually about the 20th week of gestation). An abortion may occur spontaneously, in which case it is also called a miscarriage, or it may be brought on purposefully, in which case it is often called an induced abortion.
- The Editors of Encyclopaedia Britannica
2 days ago · Abortion is the termination of a pregnancy by removal or expulsion of an embryo or fetus. [nb 1] An abortion that occurs without intervention is known as a miscarriage or "spontaneous abortion"; these occur in approximately 30% to 40% of all pregnancies.
6 days ago · Infancy, among humans, the period of life between birth and the acquisition of language approximately one to two years later. The average newborn infant weighs 3.4 kg (7.5 pounds) and is about 51 cm (20 inches) long. Learn more about infancy in this article.
- The Editors of Encyclopaedia Britannica
4 days ago · 9.1 Defining obstructed labour. Obstructedlabour is the failure of the fetus to descend through the birth canal, because there is an impossible barrier (obstruction) preventing its descent despite strong uterine contractions.
6 days ago · Pregnancy is the time during which one or more offspring develops ( gestates) inside a woman 's uterus (womb). [4] [13] A multiple pregnancy involves more than one offspring, such as with twins. [14] Pregnancy usually occurs by sexual intercourse, but can also occur through assisted reproductive technology procedures. [6] .
