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  2. Multiple birth - Wikipedia

    en.wikipedia.org/wiki/Multiple_birth

    Twins are by far the most common form of multiple births in humans. The U.S. Centers for Disease Control and Prevention report more than 132,000 sets of twins out of 3.9 million births of all kinds each year, about 3.4%, or 1 in 30. [5] Compared to other multiple births, twin births account for 97% of them in the US. [6]

  3. List of multiple births - Wikipedia

    en.wikipedia.org/wiki/List_of_multiple_births

    This is a list of multiple births, consisting of notable higher order (4+) multiple births and pregnancies. Twins and triplets are sufficiently common to have their own separate articles. With the use of reproductive technology such as fertility drugs and in vitro fertilization (IVF) such births have become increasingly common. This list ...

  4. Category:Multiple births - Wikipedia

    en.wikipedia.org/wiki/Category:Multiple_births

    Category: Multiple births. 14 languages. ... Twin (4 C, 27 P) Pages in category "Multiple births" The following 16 pages are in this category, out of 16 total.

  5. Gravidity and parity - Wikipedia

    en.wikipedia.org/wiki/Gravidity_and_parity

    If a fetus is aborted after 20 weeks, spontaneously or electively, then it is counted as a premature birth and P will increase but L will not. [citation needed] The TPAL is described by numbers separated by hyphens. Multiple births (twins, triplets and higher multiples) count as one pregnancy (gravidity) and as one birth. For example, a ...

  6. Triplets are becoming less common in the United States. Here ...

    www.aol.com/news/triplets-becoming-less-common...

    The new data also showed that the raw number of triplet and higher-order multiple births in the United States declined 65% between 1998 and 2023 – falling from a total of 7,625 births in 1998 to ...

  7. Superfecundation - Wikipedia

    en.wikipedia.org/wiki/Superfecundation

    In 1982, twins who were born with two different skin colors were discovered to be conceived as a result of heteropaternal superfecundation. [7] [5] In 1995, a young woman gave birth to diamniotic monochorionic twins, who were originally assumed to be monozygotic twins until a paternity suit led to a DNA test. This led to the discovery that the ...

  8. Twin - Wikipedia

    en.wikipedia.org/wiki/Twin

    The human twin birth rate in the United States rose 76% from 1980 through 2009, from 9.4 to 16.7 twin sets (18.8 to 33.3 twins) per 1,000 births. [5] The Yoruba people have the highest rate of twinning in the world, at 45–50 twin sets (90–100 twins) per 1,000 live births, [6] [7] [8] possibly because of high consumption of a specific type of yam containing a natural phytoestrogen which may ...

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