Add Yahoo as a preferred source to see more of our stories on Google. As an evolutionary biologist whose career has focused on how embryos develop in a wide variety of species over the course of ...

Many state legislatures are seriously considering human embryos at the earliest stages of development for legal personhood. Total abortion bans that consider humans to have full rights from the moment ...

A pregnancy test detects the presence of the pregnancy hormone human chorionic gonadotropin, or hCG, in a person’s body. But the body doesn’t produce that hormone until several days after conception.

The Supreme Court recently declined on procedural grounds to enjoin a Texas law prohibiting abortions after the sixth week of pregnancy. The court stated unequivocally that its decision was "not based ...

New Haven, Conn. — In a common metaphor used to describe human fertilization, sperm cells are competitors racing to penetrate a passive egg. But as critics have noted, the description is also a “fairy ...

Dr. Emmalyn Pratt, ND   Subheadline Two fertility case reports exploring the potential role of ovarian platelet-rich plasma ...

If you love kids and have been trying to get pregnant for a while, it’s important to know when you ovulate. This matters because you can significantly increase your chances of getting pregnant by ...