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Girls with a male twin are less likely to thrive due to testosterone exposure, report suggests | Daily Mail Online
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The Twins Aren't So Identical After All Simply Sweet Days | Expecting twins, Raising twins, Twin mom
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Testosterone from a brother in the womb can make female twins less successful, study suggests | The Independent | The Independent
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Second set of rare conjoined twins separated at Great Ormond Street Hospital in less than 12 months | Great Ormond Street Hospital
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Family of seven with two sets of twins reveal the simple changes that have saved them more than £7k a year - Cambridgeshire Live
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The discordant twin model is a case control study in which monozygotic... | Download Scientific Diagram
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Twins with ultra rare condition that affects less than 80 people worldwide battle their burning and itchy scale-like skin together - Caters Real Life
![Filipino couple carries two pairs of twin daughters at the 2nd annual Festival of Twins and Multiple Births in Manila. A Filipino couple carry two pairs of twin daughters during the 2nd Filipino couple carries two pairs of twin daughters at the 2nd annual Festival of Twins and Multiple Births in Manila. A Filipino couple carry two pairs of twin daughters during the 2nd](https://c8.alamy.com/comp/2D3DY6J/filipino-couple-carries-two-pairs-of-twin-daughters-at-the-2nd-annual-festival-of-twins-and-multiple-births-in-manila-a-filipino-couple-carry-two-pairs-of-twin-daughters-during-the-2nd-annual-festival-of-twins-and-multiple-births-at-manila-park-february-19-2005-at-least-367-pairs-of-twins-and-10-sets-of-triplets-attended-the-event-aimed-at-helping-less-privileged-twins-and-multiple-birth-children-by-organizing-events-to-raise-funds-for-them-reutersromeo-ranoco-2D3DY6J.jpg)