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Are certain sex positions effective birth control?

ANSWER

Some people believe that having sex in certain positions, such as standing up, will force the sperm out of the woman's vagina. In truth, positions during sex have nothing to do with whether or not fertilization occurs. When a man ejaculates, the sperm are deposited well into the vagina. The sperm will, by nature, begin to move up through the cervical canal immediately after ejaculation.

From: Birth Control Myths WebMD Medical Reference

SOURCES:

BMJ : “The Timing of the ‘Fertile Window’ in the Menstrual Cycle: Day Specific Estimates from a Prospective Study.”

Cleveland Clinic: “Birth Control: The Pill,” “Contraception During Breastfeeding.”

Clinics in Perinatology : “The Effect of Lactation on Ovulation and Fertility.”

C.S. Mott Children’s Hospital Michigan Medicine: “Birth Control: Myths About Sex and Pregnancy.”

Go Ask Alice: “Does Washing Immediately After Intercourse Prevent Pregnancy?” “Semen in Mouth -- Pregnant?”

Human Fertility : “Sperm Content of Pre-Ejaculatory Fluid.”

International Society for Sexual Medicine: “What is Pre-Ejaculate or Precum?”

Journal of Sexual Medicine : “Can the Controversy About the Putative Role of the Human Female Orgasm in Sperm Transport Be Settled with Our Current Physiological Knowledge of Coitus?”

Mayo Clinic: “Getting Pregnant.”

Mount Sinai Adolescent Health Center: “You Asked It: Does Peeing Prevent Pregnancy?”

National Health Service (UK): “Can I Get Pregnant if I have Sex Without Penetration?”

Office on Women’s Health: “Douching.”

TeensHealth from Nemours: “Birth Control Pill,” “Can I Get Pregnant if I Have Anal Sex?” “Can You Get Pregnant if You Have Sex Standing Up?” “Can You Get Pregnant from Pre-Ejaculate?” “Does Douching Prevent Pregnancy?”

The British Medical Journal : “Does Superfoetation Occur? Report of a Possible Case.”

Reviewed by Kecia Gaither on May 28, 2019

SOURCES:

BMJ : “The Timing of the ‘Fertile Window’ in the Menstrual Cycle: Day Specific Estimates from a Prospective Study.”

Cleveland Clinic: “Birth Control: The Pill,” “Contraception During Breastfeeding.”

Clinics in Perinatology : “The Effect of Lactation on Ovulation and Fertility.”

C.S. Mott Children’s Hospital Michigan Medicine: “Birth Control: Myths About Sex and Pregnancy.”

Go Ask Alice: “Does Washing Immediately After Intercourse Prevent Pregnancy?” “Semen in Mouth -- Pregnant?”

Human Fertility : “Sperm Content of Pre-Ejaculatory Fluid.”

International Society for Sexual Medicine: “What is Pre-Ejaculate or Precum?”

Journal of Sexual Medicine : “Can the Controversy About the Putative Role of the Human Female Orgasm in Sperm Transport Be Settled with Our Current Physiological Knowledge of Coitus?”

Mayo Clinic: “Getting Pregnant.”

Mount Sinai Adolescent Health Center: “You Asked It: Does Peeing Prevent Pregnancy?”

National Health Service (UK): “Can I Get Pregnant if I have Sex Without Penetration?”

Office on Women’s Health: “Douching.”

TeensHealth from Nemours: “Birth Control Pill,” “Can I Get Pregnant if I Have Anal Sex?” “Can You Get Pregnant if You Have Sex Standing Up?” “Can You Get Pregnant from Pre-Ejaculate?” “Does Douching Prevent Pregnancy?”

The British Medical Journal : “Does Superfoetation Occur? Report of a Possible Case.”

Reviewed by Kecia Gaither on May 28, 2019

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If I don't have a condom, can I use plastic wrap or a balloon?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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