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Previfem: What Should I Tell My Healthcare Provider?

You should talk with your healthcare provider prior to using Previfem if you have:
Also, let your healthcare provider know if you:
Make sure to tell your healthcare provider about all other medicines you are taking, including prescription and non-prescription medicines, vitamins, and herbal supplements.
(Click Precautions and Warnings With Previfem to learn more, including information on who should not take the drug.) 

How Does Previfem Work?

Previfem is a combined oral contraceptive. This means that it is a birth control pill that contains two different types of hormones, an estrogen (ethinyl estradiol) and a progestin (norgestimate). Primarily, the hormones in Previfem prevent pregnancy by stopping ovulation (the maturation and release of eggs from the ovaries). However, Previfem also prevents pregnancy in two other, less important ways. It changes the cervical mucus (the fluid of the cervix, which is the lower, narrow part of the uterus that is connected to the vagina), making it more difficult for sperm to enter the uterus. Lastly, Previfem alters the lining of the uterus (called the endometrium), making it less receptive to an embryo.
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Previfem Birth Control

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