Studies in rodents, carried out at UC Berkley, have revealed a novel circadian hierarchy critical for the coordination of pre-ovulatory luteinizing hormone (LH) surge and ovulation; the research was published in the journal Endocrinology.

Medpage Today

Women who give birth to their first child in their mid-30s or later may have a lower risk of ovarian cancer compared with those who give birth to their first child earlier than that, says a new study presented at the American Association for Cancer Research annual meeting.

Live Science

Chinese researchers have successfully edited the genes of non-viable embryos, which scientists believe is the first report of CRISPR/Cas9 applied to human pre-implantation embryos and “as such the study is a landmark, as well as a cautionary tale”.

The Independent

Newspapers are writing about the US-based Snowflakes Embryo Adoption, a service provided by a group called Nightlight Christian Adoptions where couples can donate their unused embryos to an adoptive family of their choice.

Fox News

A sequential treatment regimen to increase sperm concentration in men with idiopathic hypogonadotropic hypogonadism may be just as effective as continual therapy with the same drugs, according to research in The Journal of Clinical Endocrinology & Metabolism.

Healio

A woman has given birth to a healthy baby boy who was born using sperm collected from his father 48 hours after he died.

Metro

A 65-year-old Berlin woman who has 13 children is pregnant with quadruplets, German media have reported.

The Guardian

Eating fruit and vegetables containing pesticide residues could adversely affect men’s fertility, leading to fewer and poorer quality sperm, according to a Harvard study.

The Guardian

Scientists analysed the fate of 140,000 embryos conceived via IVF or other assisted reproductive technologies. One of their findings was that female embryos are more likely to miscarry between weeks 10 and 15.

The Guardian