The 1st prenatal check to think about is diagnosing a twin pregnancy. Research suggests that approximately forty% of twin pregnancies usually are not diagnosed right up until the thirteenth week of pregnancy. An ultrasound can determine if twin babies are identical or fraternal. Fraternal twins, However, could run in families. https://leftbookmarks.com/story20314797/hcbs-102-things-to-know-before-you-buy