Multiple births attract attention and there is often a great deal of fascination. The quadruplets were born at 26 weeks gestation and so their premature status predisposed them to varying degrees of health problems. Four different eggs are released during ovulation, fertilized independently by four sperm, resulting in fraternal quadruplets.
Triplets for 3 babies quadruplets for 4 babies quintuplets for 5 babies sextuplets for 6 babies septuplets for 7 babies multiples make up only about 3 in 100 births, but the multiple birth rate. Identical triplets or quadruplets are very rare and result when the original fertilized egg splits and then one of the resultant cells splits again (for triplets) or, even more rarely, a further split. Here's how quadruplets are conceived, how.
The most common form of multiples are twins. Fraternal quadruplets result from separate eggs being fertilized, while identical quadruplets. Identical (monozygotic), fraternal (dizygotic), or a combination of both. There are several different types of quadruplets, including identical quadruplets, fraternal quadruplets, and a mix of the two.
Quadruplets can form through various biological mechanisms, leading to different types: Statistically 90% of all multiple births are made up of twins and the remaining 10% are shared between triplets, quadruplets and more. Quadruplets can be classified into three types: What are four babies called?
Learn all about how quadruplets are conceived, as well as other information.