The initial prenatal examination to think about is diagnosing a twin pregnancy. Research implies that nearly 40% of twin pregnancies aren't diagnosed till the thirteenth 7 days of pregnancy. An ultrasound can establish if twin infants are equivalent or fraternal. This is known as heteropaternal superfecundation — a common occurrence https://enrollbookmarks.com/story20194953/hcbs-102-can-be-fun-for-anyone