cryobiology

  • The World Is in the Middle of a Twin Boom, Study Finds

    The World Is in the Middle of a Twin Boom, Study Finds

    Across the globe, the rate of twin births has jumped tremendously over the past 40 years, new research suggests. The study’s authors say that twin births have likely reached an all-time high, thanks largely to the use of medically assisted reproduction, such as in-vitro fertilisation, along with more pregnancies in older mothers.