In the beginning, no one really understood how babies were made. Thinkers puzzled for millennia about how life arose from one generation to the next. But not until the 17th century did scientists ...

FILE - In this Aug. 14, 2013, file photo, an in vitro fertilization embryologist works on a petri dish at a fertility clinic in London. Tens of thousands of people undergo in vitro fertilization every ...

Pregnancies are also lost after the first two weeks and currently published estimates of total embryo loss from fertilisation through to birth range from less than 50% to 90%. Embryo mortality of 90% ...

MHR publishes articles on the basic science of human reproductive physiology and pathology, endocrinology, andrology, gonadal function, gametogenesis, fertilization, embryo development, implantation, ...

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...