Researchers are inching closer to mass-producing eggs and sperm in the lab from ordinary human cells. The technique could provide new ways to treat infertility but also open a Pandora's box. We are ...

Sixty percent of miscarriages are caused by the failure of an embryo—the developmental stage before a fetus—to implant in the woman’s uterus. Part of the problem is that researchers have no idea how ...

Researchers from Edinburgh University, UK, in collaboration with a team from Harvard Medical School, are attempting to successfully produce mature human eggs sourced from stem cells. Isolated from ...

Only about one out of three conceptions leads to birth. 1 Approximately a third of embryos fail to attach to the uterus, while another third is lost after the embryo implants. “Human reproduction is ...

University of Cambridge. "Human reproduction likely to be more efficient than previously thought." ScienceDaily. ScienceDaily, 13 June 2017. <www.sciencedaily.com / releases / 2017 / 06 / 170613101932 ...

(RNS) — Scientists have created a human embryo without the use of sperm or an egg — a true test-tube baby. Such embryos cannot (yet) develop into full-grown human beings. Even if transplanted into a ...

Yesterday's hearing on human cloning was sparked by some startling recent revelations. Earlier this year, American fertility Doctor Panos Zavos announced that he was part of an international cloning ...

Scientists have detected microplastics — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, according ...