How does a baby develop inside the womb? Fox News looks at the various stages of development from conception to birth. Pregnancy tends to follow a well-understood and predictable course. But according ...

In vitro fertilization (IVF) is a multi-stage procedure which bypasses the mechanism of natural fertilization within the fallopian tubes of a woman. It attempts to achieve fusion of a sperm and an ...

Single-embryo transfer has been recommended to reduce the incidence of multiple gestations when in vitro fertilization is performed in women under 36 years of age. We designed a prospective, ...