Aging exerts detrimental physiologic, histologic, and functional effects on the endometrial extracellular matrix and on oocyte quality, impairing conception and implantation.

Fertilization occurs in the fallopian tubes. The fertilized egg may then implant on the wall of the uterus, leading to pregnancy. There are many misconceptions about fertilization and pregnancy. While ...

Talk to a group of 100 people born in the United States, and chances are two of them were born as the result of in vitro fertilization, said Dr. Zev Williams, director of the Columbia University ...

Upon fertilization, two highly specialized meiotic germ cells, the sperm and egg, need to be transformed into a totipotent mitotic embryo. Sperm bind to the zona pellucida of the egg by an unknown ...

IVF in which one partner donates oocytes while the other carries the pregnancy shows clinical pregnancy rates similar to traditional IVF.

Although most insurance companies in the United States do not cover in vitro fertilization, a few states mandate such coverage. Of the states in which in vitro fertilization services were available, 3 ...

Who hasn't seen it before: the view through the microscope in which a sperm penetrates an egg cell and fertilizes it. This fundamental step in procreation happens dynamically and seemingly without ...