女生小视频

Pregnant person in hospital

Health

Cell injections may restore fertility lost through cancer treatment

An injection of egg-containing cells appears to rejuvenate the ovaries of mice, and could help restore fertility in women without surgery

Health

Controversial DNA screening technique used for at least one pregnancy

Embryo selection for IVF, light micrograph.

Health

Genetic screening of IVF embryos is unlikely to lead to smarter babies

Dr Anne McLaren, at the Natural History Museum in London

Anne McLaren

Margaret Atwood

Humans

Margaret Atwood’s The Testaments’ anti-science world is a grim warning

China's population growth has been stagnating

Humans

China鈥檚 two-child policy linked to 5 million extra babies in 18 months

In some countries, more than 107 boys are born for every 100 girls

Health

Sperm sorting method could prevent girls being born, scientists warn

IVF

Comment

IVF add-ons are a waste of money 鈥� fertility clinics should ban them

sperm under microscope

Health

Extracting sperm directly from testicles could help infertility issues

Injecting an egg

Health

Several IVF attempts can signal higher risk for any eventual pregnancy

Women who undergo repeated cycles of IVF are more likely to have problems with their placenta if they later become pregnant

Health

Exposure to air pollution seems to negatively affect women’s fertility

Health

IVF success rates peak as only one in four attempts achieve pregnancy

Health

Freezing embryos doesn’t boost IVF success rate despite common use

Humans

Women with a twin brother are more likely to drop out of school