Liz Lovery shared a video of her dog, Winnie, reacting to her pregnant belly after the baby kicked. In the now-viral TikTok, Winnie stops and stares at Lovery's bump before nuzzling into it. It's ...

A twin pregnancy is when there are two fetuses in the uterus at the same time. Twins can be identical, meaning they developed when a single fertilized egg split early in development, or fraternal, ...