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Fetal viability is the ability of a human fetus to survive outside the uterus. Viability depends upon factors such as birth weight , gestational age, and the availability of advanced medical care . In low-income countries , more than 90% of extremely preterm newborns (less than 28 weeks gestational age ) die due to a lack of said medical care ...
If given expert postnatal care, some preterm babies weighing less than 500 g (1 lb 2 oz) may survive, and are referred to as extremely low birth weight or immature infants. [ 21 ] Preterm birth is the most common cause of infant mortality, causing almost 30 percent of neonatal deaths. [ 22 ]
Pregnancy is the time during which one or more offspring develops 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]
Fertilization was not understood in antiquity. Hippocrates believed that the embryo was the product of male semen and a female factor. But Aristotle held that only male semen gave rise to an embryo, while the female only provided a place for the embryo to develop, [5] a concept he acquired from the preformationist Pythagoras.
“I don’t think trying to live to be 800 is a good way for us to spend our research dollars right now,” says Garrison. In fact, she doesn’t even like the word longevity. It makes her cringe.
The number of single women going through IVF or artificial insemination in the UK has more than tripled in a decade, according to new figures. Between 2012 and 2022, the number of women having ...
Reilly (2017) states that stress can come from many forms of life events such as community, family, financial issues, and natural causes. While a woman is pregnant, stress from outside sources can take a toll on the growth in the womb that may affect the child's learning and relationships when born.
Wahid Leeman, 20, has more than his fair share of challenges, including bipolar disorder, sickle cell anemia and ADHD. His physical and mental health symptoms are due to drug exposure in the womb.