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A close-up of a person writing with a silver pen on a small spiral notebook placed on a wooden table. One hand holds the pen while the other hand points to the paper. The writing is blurred and not readable.
A simple illustration of a sperm approaching an egg, with a diagonal line and wavy lines suggesting a barrier or obstacle, on a light blue background.

Sperm Transport – Mechanisms of Male Contraception

The human reproductive system is a complex set of intertwining factors, many of which are required for sustained fertility. By interrupting even a single one of these required processes, we can find...
A white icon of a sperm with a wavy tail, appearing to move, attached to a small rectangular base, set against a light blue background.

Sperm Motility – Mechanisms of Male Contraception

The human reproductive system is a complex set of intertwining factors, many of which are required for sustained fertility. By interrupting even a single one of these required processes, we can find...
A hand in a plaid shirt holds up a round blue case containing a circular pack of birth control pills against a solid yellow background.

What is “The Male Pill?”

When we hear “The Pill,” a single image likely comes to mind: the round, plastic, clamshell disc that holds female hormonal contraceptives. It’s a ubiquitous symbol of independence,...
A green garden hose lies tangled on a rough, stained concrete surface, with the metal nozzle facing upward.

​What is the Vas Deferens?

The vas deferens is part of the male reproductive system . Used to carry ejaculatory sperm out of the epididymis , the vas deferens consists of two ducts. The left and right vas deferens connect to...
An older male doctor wearing a white lab coat and stethoscope reads a black folder or notebook in a bright hallway with glass walls.

What is the Epididymis?

Within the male reproductive system , the epididymis and the vas deferens make up the duct system of the male reproductive organs. These ducts are connected to the testicles. The epididymis is a set...
Three medical professionals in scrubs and lab coats examine an X-ray together, discussing the image while standing in a well-lit room with large windows in the background.

What Are Testicles?

Simply put, testicles are where sperm come from. And many male contraceptive methods involve preventing the creation of sperm, while others may disrupt sperm function of mature sperm. But how do...
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