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Some females abort or resorb their own young while they are still in development after a new male takes over; this is known as the Bruce effect. [31] This may prevent their young from being killed after birth, saving the mother wasted time and energy. However, this strategy also benefits the new male.
Within five months of a tigress giving birth, she may become receptive again if her first litter is lost, and for this reason wandering males may commit infanticide. [5] In fear of infanticide, female jaguars will not tolerate the presence of any male, even the father of the litter, once she gives birth to her cubs.
This behavior is known as the "aunting to death" phenomenon; these non-lactating female primates gain mothering-like experience, yet lack the resources to feed the infant. [1] This behaviour has been seen in captive bonobos, but not wild ones. It is not clear if it is a natural bonobo trait or the result of living in captivity. [2]
From 1981 through 2017, the abortion rate fell by more than half, falling faster in Democratic administrations than Republican ones. The abortion rate fell below the 1973 rate in 2012 and continued to fall through 2017, when it stood at 13.5 abortions per 1,000 women of childbearing age. The abortion rate then rose from 2018 through 2020.
Country Rate per . 1,000 women per year Number of abortions per year Year Age range Greenland 84.7 870 2022 [7] [8]: 17–64 Vietnam 64.0 1,630,000 2019 [9]: 15–49 Madagascar
A boa constrictor in the U.K. gave birth to 14 babies — without a mate. The process is called parthenogenesis, from the Greek words for “virgin” and “birth.” It tends to occur in ...
Some animals starve to death shortly after birthing their young while others are eaten by their own young -- but these mothers make the ultimate sacrifice. Click through for 10 animal mothers that ...
"After-Birth Abortion: Why Should the Baby Live?" [1] is a controversial article published by Francesca Minerva and Alberto Giubilini. Available online from 2012 and published in the Journal of Medical Ethics in 2013, [ 2 ] it argues to call child euthanasia or infanticide "after-birth abortion" and highlights similarities between abortion and ...