Twins, triplets and other multiple births occur with to varying degrees in most animal species.
The most common form of human multiple birth is twins (two babies), but cases of triplets (three), quadruplets (four), quintuplets (five), sextuplets (six), septuplets (seven), and octuplets (eight) have all been recorded with all siblings being born alive.
For more information about the topic Multiple birth, read the full article at Wikipedia.org, or see the following related articles:
Twin The term twin most notably refers to two individuals (or one of two individuals) who have shared the same uterus (womb) and are usually, but not ... >
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Breech birth A breech birth (also known as breech presentation) refers to the position of the baby in the uterus such that it will be delivered buttocks first as ... >
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Premature birth Premature birth (also known as preterm birth) is defined medically as childbirth occurring earlier than 37 completed weeks of gestation. Most ... >
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In vitro fertilisation In vitro fertilisation (IVF) is a technique in which egg cells are fertilised outside the woman's body. IVF is a major treatment in infertility where ... >
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Pregnancy Pregnancy is the carrying of one or more embryos or fetuses by female mammals, including humans, inside their bodies. In a pregnancy, there can be ... >
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Birth weight Birth weight is the weight of a baby at its birth. It has direct links with the gestational age at which the child was born and can be estimated ... >
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Childbirth Childbirth (also called labour, birth, partus or parturition) is the culmination of a human pregnancy with the emergence of a newborn infant from its ... >
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Conjoined twins Conjoined twins are twins whose bodies are joined together at birth. This happens where the zygote of identical twins fails to completely separate. ... >
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Spina bifida Spina bifida describes birth defects caused by an incomplete closure of one or more vertebral arches of the spine, resulting in malformations of the ... >
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Infertility Infertility is the inability to naturally conceive a child or the inability to carry a pregnancy to term. There are many reasons why a couple may not ... >
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Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Multiple birth at Wikipedia.org. See the Wikipedia copyright page for more details. Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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