The main prenatal exam to look at is diagnosing a twin pregnancy. Study indicates that as much as 40% of twin pregnancies will not be diagnosed right up until the 13th 7 days of pregnancy. An ultrasound can ascertain if twin babies are similar or fraternal. For fraternal or dizygotic https://zbookmarkhub.com/story20396960/the-fact-about-hcbs-sector-102-that-no-one-is-suggesting