A young Black couple sits on a couch smiling, as the man lays his hand on the pregnant belly of his partner If you’re thinking about pregnancy, you’ve probably come across the term implantation in ...

Despite significant biomedical advances in recent decades, the very earliest events of human development¬--those that occur during a critical window just after fertilization--have remained an ...

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 ...

Endometrial microbiota (bacteria in the uterine cavity) play an important role in determining whether women are able to get pregnant via in vitro fertilization (IVF), according to a new study.

Implantation bleeding typically occurs within days of conception, when the embryo attaches to the uterine lining. This type of bleeding is common and may occur in up to 25% of pregnant people. Not ...

The complex process of embryo implantation in the uterus has raised interest among researchers in the field in part because it fails in about half of in vitro fertilization procedures. A better ...

Researchers say they have developed a noninvasive method to better predict the quality of embryos created through in vitro fertilization — they hope it makes it easier to get pregnant. “Unfortunately, ...

When you're trying to get pregnant, even the slightest case of cramps and spotting early on might feel like a cause for panic. In reality, these are actually common signs of implantation, the process ...