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Live births are recorded on a U.S. Standard Certificate of Live Birth, also known as a birth certificate. [4] The United States recorded 3,605,201 live births in 2020 which is a 4% decrease from 2019 and the 6th consecutive year of decline in births. [5] Not all pregnancies result in live births. A woman may choose to end her pregnancy by abortion.
Live birth may refer to: Viviparity , a reproductive mode wherein an embryo develops inside the body of its mother In human reproduction, the birth of a living child (as opposed to stillborn); see Live birth (human)
It is the second-most common condition due to a third chromosome at birth, after Down syndrome for a third chromosome 21. [4] Trisomy 18 occurs in around 1 in 5,000 live births. [3] Many of those affected die before birth. [3] Some studies suggest that more babies that survive to birth are female. [2] Survival beyond a year of life is around 5 ...
A Californian long-form certified copy of a certificate of live birth. This particular copy is for informational purposes only. In the U.S., the issuance of birth certificates is a function of the vital statistics agency or equivalent of the state, federal district, territory [109] or former territory of birth. [110]
64% will conceive ending in a live birth within four years. [ 37 ] Studies of couples trying to conceive have yielded better results: one 2004 study of 770 European women found that 82% of 35- to 39-year-old women conceived within a year, [ 38 ] while a study in 2013 of 2,820 Danish women saw 78% of 35- to 40-year-olds conceive within a year.
Preterm birth is the birth of an infant at fewer than 37 weeks gestational age. Globally, about 15 million infants were born before 37 weeks of gestation. [147] Premature birth is the leading cause of death in children under five years of age though many that survive experience disabilities including learning defects and visual and hearing ...
A cow giving birth. Birthing in cattle is typical of a larger mammal. A cow goes through three stages of labor during normal delivery of a calf. During stage one, the animal seeks a quiet place away from the rest of the herd. Hormone changes cause soft tissues of the birth canal to relax as the mother's body prepares for birth.
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers . They migrated out of Africa during the Last Ice Age and had spread across Earth 's continental land except Antarctica by the end of the Ice Age 12,000 years ago.