Search results
Results from the WOW.Com Content Network
The Bruce effect, or pregnancy block, [1] [2] is the tendency for female rodents to terminate their pregnancies following exposure to the scent of an unfamiliar male. [3] The effect was first noted in 1959 by Hilda M. Bruce, [4] and has primarily been studied in laboratory mice (Mus musculus). [1]
Ovoviviparity can be thought of as a form of oviparity where the zygotes are retained in the female's body or in the male's body, but there are no trophic interactions between zygote and parents. This is found in Anguis fragilis. In seahorses, zygotes remain in the male's ventral "marsupium".
Some animals may display bloody vaginal discharge, often mistaken for menstruation. [3] Many mammals used in commercial agriculture, such as cattle and sheep, may have their estrous cycles artificially controlled with hormonal medications for optimum productivity. [4] [5] The male equivalent, seen primarily in ruminants, is called rut. [2]
Here, the male passes the sperm to the female's egg-laying tube, which will soon be fertilised by the sperm. [159] Many animals make plugs of mucus to seal the female's orifice after mating. Normally such plugs are secreted by the male, to block subsequent partners. In spiders the female can assist the process. [160]
Feelings of guilt often compound the grief that follows miscarriage. fizkes/iStock via Getty Images PlusMother’s Day is a happy day for millions, but for those who have experienced a miscarriage ...
Every woman's personal experience of miscarriage is different, and women who have more than one miscarriage may react differently to each event. [ 145 ] In Western cultures since the 1980s, [ 145 ] medical providers assume that experiencing a miscarriage "is a major loss for all pregnant women". [ 123 ]
Male athletes are also not immune to fertility issues. Burning more energy than you have coming in may affect testosterone levels, cause sperm abnormalities and even erectile dysfunction.
Going through the emotional loss of a miscarriage and joy of conceiving a rainbow baby is a roller coaster ride of a journey not just for women, but men too. How Miscarriage Affects Men, One ...