Can Plan B and birth control cause a missed period?

Possibly. Emergency contraception symptoms can include spotting or bleeding, changes in menstrual flow or your period may be late or early. Notify your gyn if your period is 7 or > days late.

Related Questions

Scared I'm pregnant. Took Plan B 4 weeks ago, 30min after. Missed period by 4 days. Started birth control 11 days ago. Pregnant? When to expect period?

Reading labels. Plan B can change, interrupt, interfere with or just plain wreak havoc on a menstrual cycle for two months. And then adding more hormones to the mix will make your cycle unpredictable. Read more...
Most likely not. Your period may not be coming as you are on birth control pill. Irregular schedule of birth control may make the next perioud unpredictable. May do pregnancy test in a week. Read more...

Took Plan B while on my third day of birth control (3rd month, 2nd month missed a pill because it fell on the floor), when should I expect my period?

Menstrual bleeding . Will not occur due to ovulation on your current regimen. Depending on whether u stayed on the pill, and even if you didn't, may not see until the expected time. May see some spotting which can be difficult to predict. Plan b is a big dose of progesterone, main component of birth control, so likely won't see much change. If u do and on the pill, don't worry, low probability for pregnancy, . Read more...

I am on regular birth control pills. I took Plan B the first day of my placebo week because of condom failure. Could Plan B make me miss my period?

Maybe. If you were taking the birth control pills regularly it is very unlikely that you would become pregnant...Even with a broken condom. The condom is helping very little with your contraception but using a condom can be a good way to prevent some stds, not all. Plan b could alter your period. Just begin your next pill cycle on the correct day. Get a pregnancy test done to prove you are not pregnant. Read more...

Took Plan B twice in one month and am on birth control my periods supposed to come next week, will I get it? If I miss it does that mean I'm preg?

NO. Taking Plan B twice and also birth control pills should help you to avoid being pregnant. It depends on how many birth control pills you have missed. If you have missed more than 1 pill and taken Plan B twice, then you can get delayed period or irregular period. It is still safer to do pregnancy test when you miss your period without assuming anything. Good Luck. Read more...