The 1st prenatal examination to take into account is diagnosing a twin pregnancy. Study suggests that nearly forty% of twin pregnancies usually are not diagnosed until eventually the thirteenth week of pregnancy. An ultrasound can ascertain if twin babies are similar or fraternal. This is recognized as heteropaternal superfecundation — https://geniusbookmarks.com/story20239446/top-guidelines-of-hcbs-twin-horizon-sector-102