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Fertility 生殖
Competition among human females likely contributed to concealed ovulation
Humans are among the few species that lack overt physical indicators of female fertility. One explanation for concealed ov...
Researchers find 'missing link' between stress and infertility
New research has confirmed in laboratory testing that a population of nerve cells near the base of the brain - the RFRP ne...
New drug can improve fertility in women with reproductive health problems
A drug that acts via the natural 'kisspeptin' hormone system in the body has the potential to treat reproductive health pr...
Artificial intelligence system developed to help better select embryos for implantation
Researchers are developing an artificial intelligence system with the goal of improving IVF success by helping embryologis...
How birth control, girls' education can slow population growth
Education and family planning have long been tied to lower fertility trends. But new research analyzes those factors to de...
Placenta is initiated first, as cells of a fertilized egg divide and specialize
The first stages of placental development take place days before the embryo starts to form in human pregnancies. The findi...
Why the 'wimpy' Y chromosome hasn't evolved out of existence
The Y chromosome has shrunken drastically over 200 million years of evolution. Even those who study it have used the word ...
Opioid use linked to pregnancy loss, lower chance of conception, study suggests
Opioid use among women trying to conceive may be associated with a lower chance of pregnancy, suggests a new study. Moreov...
Partner selection ultimately happens in the woman's reproductive tract
The female reproductive tract has the final say in human mate choice, according to new research.
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