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Pregnant with twins
Pregnancy Due Date Calculator: How Many Weeks Pregnant Am I?
Back to Finding out you're pregnant. Fertility treatments and the fact pregnancies are happening later in life has made multiple births more common. Identical twins are always the same sex, so if your twins are identical, you'll have 2 girls or 2 boys. Non-identical dizygotic twins happen when 2 separate eggs are fertilised and then implant into the womb uterus. It's usually possible to find out if you're having twins through week scan.
12 weeks pregnant: fetal development
Log in Sign up. Home Pregnancy. Due date calculator. What was the first day of your last period?
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