Contraceptive use saves the lives of more than a quarter of million women each year, either from death in childbirth or unsafe abortions, according to estimates published on Tuesday.
British charity Save the Children on Wednesday said it was a "global scandal" that 50,000 teenagers die each year due to pregnancy and childbirth complications.
Better care has cut the number of women dying in pregnancy and childbirth by nearly half in the past two decades, but there is still a death every 2 minutes, according to U.N. figures released Wednesday.
Children born to obese women are more likely to be diagnosed with autism or related developmental delays than the children of slimmer mothers, according to a U.S. survey.
The number of new teenage mothers in the United States is at its lowest level in nearly 70 years but remains the highest of any major developed country, according to official figures released Tuesday.
Moderate exercise is tied to greater success among women trying to get pregnant, but those who work out vigorously take longer to conceive, an international study has found.
An experiment that produced human eggs from stem cells could one day be a boon for women who are desperate to have a baby, according to a study published on Sunday.
The chances of a successful in-vitro fertilization increase if men have a diet high in fruit and grains, and low in red meat, alcohol and coffee, a Brazilian study on the male sperm said.
Women who spend a lot of time exercising or eat a heart-healthy diet appear to reach menopause earlier, according to a Japanese study -- findings that researchers say could be important for cancer prevention.
Treating pregnant cancer patients with powerful chemotherapy drugs appears not to harm their unborn children, but pre-term delivery to avoid subjecting them to chemotherapy does, according to a study by cancer experts on Tuesday.