Normally: This can happen for no particular reason and protection is unaffected. If however it occurred because you have been erratic about taking your pills or you have been on other medications, particularly antibiotics, then effectiveness may be reduced.
Answered 8/31/2015
2.3k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question