More and more women who give birth are overweight or obese, Green says. These women have a much higher rate of complications like diabetes and hypertension, which can lead to earlier births.. Of the roughly 4 million deliveries in the U.S. in 2002, 394,996 were considered preterm, according to the analysis.
'One-in-a-million' conjoined twins born to Atlanta parents: Delighted mom and dad welcome girls who share the same arms, legs and body-and will never be separated. 1  Asa and Eli Hamby born on Thursday morning in Northside Hospital, Atlanta.
A twin, triplet, or higher-order pregnancy (four or more babies) is called multiple pregnancy. If more than one egg is released during the menstrual cycle and each is fertilized by a sperm, more than one embryo may implant and grow in your uterus. This type of pregnancy results in fraternal twins (or more). When a single fertilized egg splits, it results in multiple identical embryos. This type of pregnancy results in identical twins (or more). Identical twins are less common than fraternal twins.