Thursday, May 22, 2014

How are twins conceived?




Vanessa


I know that once the sperm enters the egg no other sperm can get in but how our twins concieved is two eggs.


Answer
There are two types of twins -- monozygotic (usually called "identical") and dizygotic (called "fraternal"). It sounds like your twins are dizygotic: two of your eggs matured and were released by your Fallopian tubes, then were fertilized by two separate sperm. These fertilized eggs developed into two embryos. Because the twins result from separate pairs of egg and sperm, they will not be identical.

FYI -- monozygotic twins occur when a single zygote (fertilized egg) splits after fertilization. Because the twins come from the same egg and sperm, they will be identical (have the same genetic makeup).

A rare case of monozygotic twins are "polar twins," which occur when a single egg splits in two and the two halves are fertilized by two separate sperm. These twins share identical DNA from the mother, but since the two sperm are different, they will not be identical -- although they will be more genetically similar than fraternal twins.

I want to conceive twins!?




Ireland


did you conceive twins and did you do anything special?
I heard that if you double up on iron and folic acid you are more likely to conceive twins. I read this on a medical web site.
for one thing, twins do run in my family.... and for another, you can choose the sex of your baby. Its all determined by the position you have sex in, whether you have an orgasm or not, and a specific vitamin cocktail. it worked for me.



Answer
You don't just conceive twins . . . some women are at a higher risk for twins due to a gene that causes them to ovulate more than one egg. This is usually a family trait on the mother's side.

Outside of that, women over 35, overweight and/or women with a diet high in yams and/or dairy for whatever reason have a higher CHANCE for twins.

Fertility treatments also put you at a higher risk for twins . . . overall, 3% of all births are a multiple birth, There are things that may increase your chances but there are no guarantees.

I was blessed with twins after going through IVF - we transferred 2 embryos and lucked out when both stuck . . . it was a long painful, stressful experience having to go through infertility . . . but in the end, we truly were lucky but having to deal with an inability to conceive on your own, medications, injections, side effects etc . . . is not the ideal way to have children.

Good luck!




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