The 1st prenatal exam to think about is diagnosing a twin pregnancy. Exploration implies that around 40% of twin pregnancies are usually not diagnosed till the 13th week of pregnancy. An ultrasound can figure out if twin infants are equivalent or fraternal. Aspects that increase the likelihood of having twins https://bookmarks-hit.com/story22623123/a-review-of-hcbs-twin-horizon-sector-102