Twins occur in about one out of 90 human pregnancies in the US. As a rule, at conception, one sperm fertilizes a single egg to produce a zygote. Two thirds of twins are fraternal, with fertilization ...

This as-told-to essay is based on a conversation with Kim Perell, author of "Mistakes That Made Me A Millionaire." It has been edited for length and clarity. My family is knee-deep in twins. My twin ...

I receive many emails from twins and their families with important stories to tell. In October 2025, I received a message from a fraternal female twin to say that she had a twin sister with Turner ...

Twins are taking over! These days, around 31 out of every 1,000 babies born in the U.S. are twins, according to the Centers for Disease Control and Prevention (CDC). Back in 1980, only about 19 in ...

Britney and Frankie Alba are parents to twin boys and twin girls. Britney Alba remembers the day she and her husband, Frankie Alba, received the news they were expecting twins. It had only been six ...