The primary prenatal exam to take into account is diagnosing a twin pregnancy. Investigate implies that as much as forty% of twin pregnancies aren't diagnosed until the 13th 7 days of pregnancy. An ultrasound can identify if twin infants are identical or fraternal. This is known as heteropaternal superfecundation — https://bookmarktiger.com/story20206686/details-fiction-and-hcbs-sector-102-gurgaon