Definition
Multiple pregnancies are a pregnancy where more than one fetus develops simultaneously in the womb.
A multiple pregnancy is a pregnancy involving more than one fetus. Twins, triplets, and quadruplets are multiple pregnancies. The largest multiple pregnancy on recorded to the birth of nine offspring.
Twins are the most common type of multiple pregnancies. But worldwide, the incidence of multiple pregnancies of all types - twins, triplets, quadruplets, quinteplets, sextets, and more - is increasing as advanced types of infertility treatment become more common.
Multiple pregnancies are a pregnancy with two or more fetuses. Names for these include the following: • Twins - 2 fetuses • Triplets - 3 fetuses • Quadruplets - 4 fetuses • Quintuplets - 5 fetuses • Sextuplets - 6 fetuses • Septuplets - 7 fetuses
Causes of multiple pregnancies
There are many factors related to having a multiple pregnancy. Naturally occurring factors include the following: • Heredity A family history of multiple pregnancy increases the chances of having twins.
• Old age Women age 30- 35 have a greater chance of multiple conceptions.
• High parity having one or more previous pregnancies and delivered ,
• Race: African-American women are more likely to have twins than any other race. Asian and Native Americans have the lowest twinning rates.)
Other factors that have greatly increased the multiple birth rates in recent years include reproductive technologies, including the following: • Ovulation-stimulating medications such as clomiphene citrate and follicle stimulating hormone (FSH) help produce many eggs, which, if fertilized, can result in multiple babies.
• Assisted reproductive technologies such as in-vitro fertilization (IVF) and other techniques help couples conceive. These technologies often use ovulation-stimulating medications to produce multiple eggs which are