Rare Twinning: From Twins with Different Fathers to Semi-Identical Siblings
If someone told you they were pregnant with a set of twins who had two different fathers, you'd probably think they're pulling your leg. While it might sound like a made-up story, giving birth to fraternal twins who each have a different father is actually biologically possible. It's quite rare, but it does happen. If you're wondering how, read on. Hyperovulation and heteropaternal...