Side effects are hot flashes, mood swings, breast tenderness, pelvic pain, formation of ovarian cysts, nausea and even visual disturbances. The biggest risk of using Clomid is multiple pregnancy (twins or triplets). Although clomid can help you get pregnant, you must take the risk that if you do get pregnant, having twins or even triplets. Talk to your doctor about Clomid if you suffer from infertility.