On this note, the expert shares how to estimate your safe days using the calendar method: Track your periods for at least 6 months to identify your shortest and longest cycle lengths. Subtract 18 days ...

A group of South Carolina senators plans to consider a proposal that could introduce the strictest abortion prohibitions and punishments in the nation ...

As more women delay motherhood and fertility preservation becomes more accessible, here’s how to decide the best time to ...

The survival rate of frozen eggs and embryos reaches more than 90% in good in vitro fertilization labs when a patient is ...

Immunologist Zachary Rubin explains how the World Health Organization decides which strains of influenza end up in annual flu vaccines.

Home fertility tests could give people false hope – or unnecessary anxiety – about their chances of having a baby ...

In her new book, How to Fall in Love with Questions , behavioral psychologist Elizabeth Weingarten reveals her personal and ...

Eggs laid by dinosaurs have provided paleontologists with a new way to tell prehistoric time. By looking to radioactive ...

The worms can jump as much as a foot off the ground. They also can make the soil inhospitable for native plants and insects.

As men age, the quantity and quality of sperm tend to decline. Testosterone levels may decrease, and this drop can affect ...