Join Date: Nov 2006
Location: Homesick Canuck in Western MA.
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The chances of twins with Clomid runs about 10%, if you get pregnant.
The chances of getting pregnant are only about 10%. So your chance of twins is only about 1 in 100 Clomid + IUI cycles.
If you really only want a singleton, insist on ultrasound monitoring and in consultation with your OBGYN, decide on how many is too many follicles.
My experience has been three cycles on Clomid, 4 follicles went the first cycle, three the second, five big ones the last cycle - one early loss, no actual "clinical pregnancies", let alone twins. Hopefully you'll get better luck.
The only way to avoid fraternal twins for absolutely for sure is to do single embryo transfer IVF (SET-IVF) and even then you risk the possibility of identical twins at a slightly higher rate than would occur spontaneously, because handling the blastocyst makes it more likely to split.
Note I said "the ONLY way" - you risk spontaneous identical or fraternal twins in a non-medicated cycle, though obviously at a much lower rate.
People may suggest multifetal reduction AKA selective reduction, but most doctors won't perform it to reduce a twin pregnancy to a singleton pregnancy, unless there's a health risk to the pregnant person or one fetus. It's also a very emotionally difficult procedure for some people, not a decision to take lightly.
SPBC Finally a Papa! Elise Ember Soleil - 10/3/10 - 4:09 AM - 6 lbs 8 oz My daughter eats donor milk! Human milk for human babies!