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Do you ovulate on Tri Sprintec?

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Hi, I've been on Tri-Sprintec for 3 months and have been taking my pill everyday at 3:00 PM. I have never missed a pill. Lately, I've been thinking about having sex with my boyfriend without a condom, he has been tested and so have I, but thats not my concern. I'm concerned because if we have sex without a condom, it will be 11 days after my period. I heard you don't ovulate on birth control though. Do you ovulate on Tri Sprintec? I would like to try to rely on birth control since I have been religious with taking it and have waited this long without going without a condom. What are the chances that I get pregnant?

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replied May 4th, 2011
Am I Pregnant Answer A22609
Welcome to ehealthforum,
Oral hormonal contraceptive pills work in giving you protection by several ways like: suppressing ovulation, changing the endometrial lining, changing cervical mucus characteristics to make it hostile for sperms etc. If you have been regular with its use for 3 months, then you should continue to have the protection. However, no birth control method is completely safe (they have their own failures rates), hence using additional birth control measures like use of spermicide gel will give you additional protection (if you do not want to use condoms). Continue to be regular with the birth control pill use.
Take care.

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