Chances of being pregnant?

About two weeks ago, at the end of my cycle, I had unprotected sex with my boyfriend (Yes, I know that was stupid. No lectures, please!). I have been on a tricyclin birth control pill for about 7 years and was off the pill when this happened. I was supposed to go back on it the next day, but, to my forgetfulness, I was out. Three days later, I got my annual exam done and got a new brand of pills - a monocyclin. I started that pill four days later. My concern is, obviously, the likelihood that I could be pregnant. During the past week, I have been nauseous, my lower back hurts, I'm exhausted and I've had a few headaches here and there. The nausea is accompanied with dizziness, come out of nowhere, and have happened twice this week, both early in the morning. I know the pill can cause some strange reactions, but this pill is much less potent (half the size of my old one, for one thing) than the pill I was on before. My moods are crazy, I feel like I'm PMS-ing. So, any thoughts? Thanks.

Answer:
Just take a home pregnancy test and find out for sure.
Do a test you could well be pregnant..
well first of all if threes even the slightest chance your pregnant you should not keep taking the pill it could cause birth defects, it could just be that your stressing out over all of this to much,threes really no way of finding out until your sapost to start your period.
There is always a change of pregnancy when you have sex. Take an EPT test. Could be pregnant; could be side effect of the new pill; could be something else. If you are pregnant, continuing to take the pill could be dangersous for the fetus. Call your doctor.
Your fatigue could be the affects of the new drug. I would talk to a doctor about that. Go to a local drug store and buy yourself a kit to clear out all your worries.
Random acts of intercourse achieve a 24% pregnancy rate per cycle.
Having sex on certain days of the cycle has pregnancy rates to 31%-68%
25% of pregnancies are lost within the first six weeks since the woman's last menstrual period

Pregnancy tests are not accurate until 1-2 weeks after ovulation.
you are probably reacting to the new pill. size of the pill has nothing to do with the hormones in the pill. take a test, i dont think your pregnant sounds like a bad reaction to the new pills
Try a home pregnancy test.. if it comes out negative and symtoms continue, see your doctor.
Just take a home pregnancy test
take a first response test. it could be your new pill. im goin through a similar thing and i pray its my new pill

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