Reproductive Health

Maternal hepatitis B did not affect pregnancy or live-birth rates after IVF, but preterm birth was more frequent in a matched cohort study.

Vasectomy reversal success varied substantially between surgeons, with 1-year patency ranging from 54%–93%.

PGT-A did not reduce embryo transfers or time to live birth among recipients of donor oocytes.

Women with PMOS had a higher risk of four reproductive cancers in a study of more than 2.5 million women.

Age-related maternal cardiovascular risk rises more sharply among Black women, a study of 1.9 million births shows.

Researchers have mapped specialised protein-disposal machinery inside the human sperm nucleus in unprecedented detail.

Specific gene mutation severity was linked to distinct male infertility phenotypes, from abnormal sperm production to complete meiotic arrest.

A randomised controlled trial found that adding pelvic girdle muscle relaxation training to conventional therapy improved pelvic floor muscle tone in postpartum women.