At the moment of conception, eggs of several mammals send out a pulse of metallic ions as they undergo cellular change. Researchers have come up with a new method to visualize this event, which ...

Identifying conception as "the moment that life begins," the narrator asserts that "At fertilization, her gender, ethnicity, hair color, eye color and countless traits are already determined." The ...

Pregnancy is often talked about as though it's a light switch. You're a regular person walking around and then a switch flips — presto, you're pregnant. The reality is more nuanced. "Sex ed really ...

It was good to read letter writer Ben White trying to address the key question that is too often bypassed in discussions about abortion. That is, when does life begin? It is key because we value human ...

In the past three decades, in vitro fertilization (IVF) has gone from an experimental procedure to being more common. Pregnancies enabled by IVF frequently have more difficulties, with children born ...

Ovulation is the phase in the female menstrual cycle when an egg or ovum, also known as an ovule or oocyte, is released from the ovaries. The ovum matures within a fluid-filled space in the ovaries ...

A decades-old Missouri law states life begins at conception, which some IVF patients worry puts the procedure at risk. Fertility lawyer Tim Schlesinger said court cases protect the in vitro ...