Primary Care Physician
Dr. Orrange received her BA in Biology at the University of California, San Diego, and a Masters Degree in Health Sciences at the Johns Hopkins University School of Public Health. She received her MD from the USC Keck School of…
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9 Myths About Oral Contraceptives
Posted in Healthy Sex by Dr. Sharon Orrange on Aug 02, 2012
When I have the conversation about starting birth control pills with my young women, I am always surprised by how much misinformation there is out there about oral contraceptives (OCs.) Here are the common myths about OCs.

Myth 1. They will make me gain weight: Many women believe that oral contraceptives cause weight gain. Available data, however, suggests this is not the case. Baseline weight, percent fat, percent water, and waist-to-hip (WHR) ratio did not change significantly after six cycles in OC users in several large studies.

Myth 2. They cause breast cancer: Most studies have not demonstrated an association between OC use and the risk of breast cancer later in life.

Now, if women have a mom or sister with breast cancer, or are BRCA positive that is a different story.

Myth 3. They cause ovarian cancer: No, it’s the opposite. Studies have consistently shown that prolonged use of oral contraceptive pills (OCs) reduces the risk of ovarian cancer. Importantly, the protective effect persists for 30 years after stopping OCs.

Myth 4. They cause uterine (Endometrial) cancer: Again, it’s the opposite. The use of oral contraceptive pills decreases the risk of endometrial cancer. The protective effect of oral contraceptives persists for at least 15 years after you stop taking them.

Myth 5. They cause heart attacks: Nope. While oral contraceptive use in women over age 35 who smoke is associated with an increased risk of death from cardiovascular events, overall mortality rates are not increased, and may actually be decreased. Young, nonsmoking women who use oral contraceptives do not have an increased long-term risk of death, and may actually have a small benefit.

Myth 6. They will raise my cholesterol: The effect of OCs on cholesterol does depend somewhat on which pill you take; but in general, triglycerides may increase slightly but there are no consistent changes in high-density (HDL) or low-density (LDL) lipoprotein cholesterol concentrations.

Myth 7. They will affect my fertility, making it harder to get pregnant later: When you discontinue your birth control pill it may be several months before ovulatory cycles return, but there is no increased risk of infertility. To the contrary, the risk of infertility may be reduced in women who have taken OCs

Myth 8. Taking pills will affect my sex drive. Data on the impact of estrogen-progestin contraceptives on female sexuality are conflicting. Although OCs suppress serum testosterone concentrations, there are no definitive data that they have a negative impact on libido (sexual desire.)

Myth 9. They will make my fibroids (Uterine fibroids) grow: Use of low dose OCs does not cause fibroids to grow. Therefore taking birth control pills is not a problem in women with fibroids.
- Dr. O

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5
I do not understand why these articles are on an abstinence forum. I suggest they are better placed elsewhere. Thanks
By Nina2011  Oct 01, 2012
4
I am glad I found this forum.
I am also gaining weight & I am on minesse,which was given to me to treat my ovarian cyst.
By littlemissclumsy  Aug 07, 2012
3
I still dont think I would ever put my daughter or allow her to go on the pill. Not just because she would be pumping herself up with fake chemicals but because your using a drug to stop something that happens naturally within the female body. That in itself does not seem healthy.
By jake4  Aug 05, 2012
2
Thanks for this. I had no idea people commonly thought OCs caused cancer! Seems as though the statement that number 8 is a "myth" is misleading. Even your description states that the evidence is conflicting. And I can attest to the fact that some OCs cause weight gain, others do not.

I think it's important to understand what can and cannot happen on birth control. Could you follow this post up with a list of risks? One that I find many people do not know about is that migraines with auras (while on OCs with estrogen) are associated with a risk of stroke. I had no idea about this until my doctor (luckily) gave me a re-assessment when I came in for my annual exam. When she saw that I had started having migraines with auras, she informed me of this risk and immediately switched by birth control.
By ladyla  Aug 04, 2012
1
It is very difficult to study the use of oral contraceptives because the women who have exceedingly poor reactions to their pills remove themselves from the study prematurely.

Using OC is like playing Russian roulette. Just look at the 'related posts' for the evidence.
By 8rabbit8  Aug 04, 2012
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