A female swell shark gives birth to a pup without coming in contact with a male, and now scientists are wondering how this is ...

This process lasts about two days, after which conception is not possible. If the egg reaches the uterus without fertilization by a sperm, it will pass unnoticed out of the woman's body.

This suggests the egg's zinc release could also hinder ... special protein complex known for its crucial role in the fertilization process. "It was assumed that the combination of the two proteins ...

Medically reviewed by Andrea L. Braden, MD Many people are turning to egg freezing, also known as oocyte cryopreservation, as ...

The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite ...

Humans of Bombay CEO Karishma Mehta froze her eggs at 32 joining a growing trend of fertility preservation Learn about the ...

While one prevents pregnancy, the other ends it. It stops ovulation, so you don’t release an egg. It stops fertilization, so a sperm doesn’t reach and fertilize an egg. It stops implantation ...

CONCERNING the fate of, and the possible effects exerted by, spermatozoa not participating in the process of fertilization in the female organism, Genin et al. have recently concluded that ...

In-vitro fertilization (“IVF”) is a procedure ... The gestational carrier does not use her own egg in the process (see surrogate below). What parental rights might the gestational carrier ...

An curved arrow pointing right. Scientists knew that that some animal eggs discharged zinc "sparks" during fertilization. But a recent study has found these fireworks also fly after sperm ...

The genetic screening technology removes from the fertilized eggs cells that would otherwise become placenta. The possibility cannot be ruled out that process could damage the fertilized eggs and ...