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How Heather Works and What to Tell Your Doctor

Important Information for Your Healthcare Provider

You should talk with your healthcare provider prior to using Heather if you have:
 
  • Liver disease, including liver failure, cirrhosis, hepatitis, or liver tumors
  • Migraines or other unusual or severe headaches
  • Diabetes
  • Cancer (or if you have had cancer in the past)
  • Unexplained vaginal bleeding.
     
Also, let your healthcare provider know if you are:
 
Make sure to tell your healthcare provider about any other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.
 
(Click Precautions and Warnings With Heather to learn more, including information on who should not take this contraceptive.)
 

How Does This Contraceptive Work?

As previously stated, Heather is a progestin-only oral contraceptive. Because it contains only a progestin, it is not as effective as birth control pills that contain both a progestin and an estrogen (known as combined oral contraceptives).
 
Because Heather is only 50 percent effective at preventing ovulation, it must rely on other mechanisms to prevent pregnancy. This birth control pill alters the lining of the uterus (called the endometrium), making it less receptive to an embryo. It also 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.
 
Unlike combined oral contraceptives, there are no inactive or "placebo" pills in each pack of Heather. Every tablet contains the active hormone, and there is no break in between pills or packs. As a result, menstrual periods often occur at irregular intervals.
 
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Heather Birth Control Information

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