The initial prenatal test to take into account is diagnosing a twin pregnancy. Study indicates that as much as 40% of twin pregnancies aren't diagnosed till the thirteenth week of pregnancy. An ultrasound can decide if twin infants are similar or fraternal. This is named heteropaternal superfecundation — a typical https://express-page.com/story5673156/5-essential-elements-for-hcbs-sector-102-gurgaon