![Filipino twins stand in rows 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 Filipino twins stand in rows 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](https://c8.alamy.com/comp/2D3ACPX/filipino-twins-stand-in-rows-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-this-event-aimed-at-helping-less-privileged-twins-and-multiple-birth-children-by-organizing-events-to-raise-funds-for-them-reutersromeo-ranoco-rrld-2D3ACPX.jpg)
Filipino twins stand in rows 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
![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)
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
![Girls with a male twin are less likely to thrive due to testosterone exposure, report suggests | Daily Mail Online Girls with a male twin are less likely to thrive due to testosterone exposure, report suggests | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/03/18/19/11149316-6823301-image-a-8_1552935739587.jpg)
Girls with a male twin are less likely to thrive due to testosterone exposure, report suggests | Daily Mail Online
![Testosterone from a brother in the womb can make female twins less successful, study suggests | The Independent | The Independent Testosterone from a brother in the womb can make female twins less successful, study suggests | The Independent | The Independent](https://static.independent.co.uk/s3fs-public/thumbnails/image/2019/03/18/14/twin-baby-ultrasound.jpg?width=1200)
Testosterone from a brother in the womb can make female twins less successful, study suggests | The Independent | The Independent
![Second set of rare conjoined twins separated at Great Ormond Street Hospital in less than 12 months | Great Ormond Street Hospital Second set of rare conjoined twins separated at Great Ormond Street Hospital in less than 12 months | Great Ormond Street Hospital](https://media.gosh.nhs.uk/images/24138f8e-6273d433-f2a0ba0b-84be6a.388c482b.fill-1200x540.jpg)