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Placental expulsion (also called afterbirth) occurs when the placenta comes out of the birth canal after childbirth. The time between the expulsion of the baby and the expulsion of the placenta is called the third stage of labor.
The smallest of the octuplets, Odera, died a week after birth. [138] A set of octuplets was born between 13–16 September 2000, in Milan, Italy, to Mariella Mazzara and Giovanni Pierrera of Trapani. One died immediately after birth; two within a few days of birth; and the oldest, Margherita, died a month later on 10 October. [139] [140]
Postterm abdominal pregnancy extended beyond nine months, after which fetal movement ceased and the mother suffered from vaginal bleeding, but never gave birth. The patient became pregnant again and gave birth to a healthy baby girl two years later. [25] Unknown (33) Ghana 1990 2002 (12 years) Third pregnancy after two natural miscarriages.
Coffin birth, also known as postmortem fetal extrusion, [1] [2] is the expulsion of a nonviable fetus through the vaginal opening of the decomposing body of a deceased pregnant woman due to increasing pressure from intra-abdominal gases.
At week twelve, the Müllerian ducts fuse to create a primitive uterovaginal canal called unaleria. At month five, the vaginal canalization is complete and the fetal hymen is formed from the proliferation of the sinovaginal bulbs (where Müllerian ducts meet the urogenital sinus), and normally becomes perforate before or shortly after birth. [11]
After birth the umbilical cord is clamped and cut, the baby starts to breathe air, and blood from the right ventricle starts to flow to the lungs for gaseous exchange and oxygenated blood returns to the left atrium, which is pumped into the left ventricle, and then pumped into the main arterial system. As a result of these changes, the blood ...
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The placenta (pl.: placentas or placentae) is a temporary embryonic and later fetal organ that begins developing from the blastocyst shortly after implantation.It plays critical roles in facilitating nutrient, gas and waste exchange between the physically separate maternal and fetal circulations, and is an important endocrine organ, producing hormones that regulate both maternal and fetal ...