What are some of your side effects on lo ovral (ethinyl estradiol and norgestrel)?

Pill side effect. Like any pill, the most important side effect is thrombo-embolism, or blood clot. Other side effects include headache, breast tenderness, irregular spotting, bloating, mood changes, etc. The progestin in Lo Ovral (ethinyl estradiol and norgestrel) is more androgenic that may induce complexion changes.