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image: Hormonal Male Contraceptive to Enter Clinical Trial

Hormonal Male Contraceptive to Enter Clinical Trial

By | December 21, 2017

The gel, which men rub on their upper bodies daily, delivers synthetic progestin to block the testes from producing normal levels of sperm.

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image: Study: Male Contraceptive Prevents Pregnancy in Monkeys

Study: Male Contraceptive Prevents Pregnancy in Monkeys

By | February 8, 2017

Researchers injected a non-hormonal hydrogel contraceptive into 16 male rhesus monkeys, finding that it prevented pregnancy for an entire breeding season.

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image: Inhibiting Sperm Protein Causes Infertility

Inhibiting Sperm Protein Causes Infertility

By | October 5, 2015

Two drugs targeting a protein in sperm cause reversible infertility in male mice, providing new hope for a male contraceptive.

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image: Sperm on Lockdown

Sperm on Lockdown

By | December 4, 2013

In a proof-of-principle study, genetic deletion of two genes renders male mice infertile by preventing sperm transport through the vas deferens.

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image: Hope for Male Contraception

Hope for Male Contraception

By | August 16, 2012

A small molecule that inhibits a protein important for chromatin organization can cause reversible sterility in male mice.

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image: Loss of Microtubule Regulator Blocks Sperm Maturation

Loss of Microtubule Regulator Blocks Sperm Maturation

By | May 24, 2012

New research suggests that controlling cytoskeletal dynamics in sperm accessory cells may help regulate male fertility.

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