Don't know whether it made any difference or not, but this time I did acupuncture the day before and after the IUI. The acupuncturist told me to eat lots of fat (avocados, butter, eggs, etc.) and avoid wheat, so I did that, too. Also started taking krill oil and a B complex vitamin. I also got a massage, and took the masseuse's advice to have my husband rub my ankles for a few nights to encourage implantation (it's supposed to stimulate the uterus). No way to tell if it's just coincidence, but I'm sure all of this didn't hurt.