In very, very rare cases, your twins may be conceived through superfetation, when eggs from two separate menstrual cycles are released, fertilized, and then implanted in the uterus. These twin babies ...

Rylie Parman screamed in shock when she learned her twin sister is pregnant. Twin sisters in Wisconsin are proving there is no one more supportive than a twin, especially when they learn you're having ...

Daniella Gray is a Newsweek Family & Parenting Reporter based in London, U.K. Her focus is on family dynamics, childhood development, parenting styles, U.S. education and current trends in family and ...

An Alabama woman has two uteri — and now she has a baby in each one. In an interview with Fox News Digital, Kelsey Hatcher, 32, spoke about her unique pregnancy. She discovered she had a double uterus ...

Kelsey Hatcher was just 17 when she learned she had a double uterus. Fifteen years later, the Alabama woman got a second shock: She's pregnant with twins, one in each uterus. Fox News Digital spoke to ...

Selective termination refers to the elimination of an abnormal fetus, whereas multifetal pregnancy reduction denotes the termination of one or more members of twin or higher-order multiple birth set ...