About 3% of live births in the U.S. result in twins. Fertility treatments, age, and family history can influence the chances of having twins. Twin pregnancies carry higher risks but receive extra ...

Marie Johnson with her six biological twins and the moms, Jeni Gardner and Amy Hefner, who gave birth to four of them.Randy Johnson Marie Johnson produced 15 embryos via IVF. Two resulted in twins and ...

Many parents would love to conceive twins. Isn’t it just adorable to have two little people who look exactly the same? There are two types of twins, identical and fraternal twins. Identical twins ...

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 ...

In the era before 31-year-old Nan Tilton of Sea Cliff gave birth to America’s first “test-tube” twins, infertile families who wanted biological offspring could only hope, pray or give up. Tilton had ...

While genetics and other natural factors play a significant role in twin conception, some believe that certain herbs can improve fertility and increase the chances of conceiving twins. Although there ...

Marie Johnson produced 15 embryos via IVF. Two resulted in twins and she donated the rest. Two more sets of twins were born to other parents 15 years after the embryos were frozen. The youngest set of ...