enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Multiple birth - Wikipedia

    en.wikipedia.org/wiki/Multiple_birth

    Dizygotic (fraternal) twins can be caused by a hyperovulation gene in the mother. [8] Although the father's genes do not influence the woman's chances of having twins, he could influence his children's chances of having twins by passing on a copy of the hyperovulation gene to them. Monozygotic (identical) twins do not run in families.

  3. Superfecundation - Wikipedia

    en.wikipedia.org/wiki/Superfecundation

    In 2019, a Chinese woman was reported to have two babies from different fathers, one of whom was her husband and the other was a man having a secret affair with her during the same time. [12] In 2022, a 19-year-old Brazilian from Mineiros gave birth to twins from two different fathers with whom she had sex on the same day. [13]

  4. Boy or girl paradox - Wikipedia

    en.wikipedia.org/wiki/Boy_or_Girl_paradox

    The chance the other child is a girl is ⁠ 1 / 2 ⁠. This is a very different procedure from (1) picking a two-child family at random from all families with two children, at least one a boy, born on a Tuesday. The chance the family consists of a boy and a girl is ⁠ 14 / 27 ⁠, about 0.52.

  5. Alabama couple welcomes rare quadruplets: 2 sets of identical ...

    www.aol.com/alabama-couple-welcomes-rare...

    The odds of conceiving spontaneous quadruplets falls between 1 in 512,000 to 1 in 677,000 according to the Journal of Family and Reproductive Health. “She was like, ‘Twins?’ But the ...

  6. Mom of twins gives birth 13 months later — to another ... - AOL

    www.aol.com/news/mom-twins-gives-birth-13...

    Six months after giving birth to identical twin boys, an Alabama mom discovered she was pregnant again, with another set of identical twins. Mom of twins gives birth 13 months later — to another ...

  7. Hellin's law - Wikipedia

    en.wikipedia.org/wiki/Hellin's_Law

    Hellin's law, also called Hellin-Zeleny's law, is an empirical observation in demography that the approximate rate of multiple births is one n-tuple birth per 89 n-1 singleton births: twin births occur about once per 89 singleton births, triplets about once per 89 2, quadruplets about once per 89 3, and so on.

  8. You're having a baby — and it's due on Leap Day. Here ... - AOL

    www.aol.com/lifestyle/youre-having-baby-due-leap...

    Last Leap Year, in 2020, Yahoo Life spoke with Dane Demchak; he and his wife Lindsay beat the odds by having not one, but two, babies born on a Leap Day, with neither birth induced. Their son ...

  9. 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 ...