KB injections for men, can it really prevent pregnancy?

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Medical Video: Patient Education Video: Intrauterine Device (IUD)

To prevent pregnancy, women have at least 10 contraceptives, including long-term such as an IUD or implant. Meanwhile, men only have two choices of contraception, namely condoms and vasectomy. Not surprisingly, family planning programs only target women. In fact, there are also many choices of contraceptives for men, one of which is injection. Have you ever heard of family planning injections for men? If there is, is it really effective in preventing pregnancy? Check out the reviews.

Is this KB injection for men safe?

A study published in the Journal of Clinical Endrocrinology & Metabolism has succeeded in testing the safety and effectiveness of injecting KB for 320 men. Men aged between 18-45 years underwent tests to determine that they had normal sperm counts before the study was conducted.

These men are given injections every eight weeks. This injection contains 1,000 milligrams of synthetic testosterone and 200 milligrams of norethisterone enanthate. The latter substance is derived from the female hormone Progesterone and estrogen, commonly called a progestin in synthetic form.

The researchers used a combination of these hormones with the aim of lowering testosterone doses to levels that they believe are effective for reducing fertility but remain safe for men.

Before the stage of measuring the effectiveness of this injectable KB, couples who are taking the trial are asked to use birth control that does not affect the hormones in their body. Then, the men were injected and their sperm samples were taken until the number dropped to one million per milliliter in two trials.

At that stage the couple relied on male injection contraception as a contraceptive during the trial period, the men gave sperm samples to ensure the numbers remained low. When the trial participants stopped their injection KB, experts continued to monitor how quickly their sperm counts returned to normal and were considered fertile men.

The results of this study revealed that injection KB effectively retained sperm counts at a rate of one million per milliliter or less within 24 weeks for 274 trial participants. That means the effectiveness of injectable contraception for men reaches 96 percent if done continuously.

During the trial, four pregnancies occurred. According to Doug Colvard who carried out this study, all babies were born normally.

How do birth control injections work for men?

According to Dr. Seth Cohen, a urologist at NYU Langone Medical Center, when a man is injected with testosterone, the brain will assume that the body has enough of that hormone. Then the body will stop the production of testosterone. The progestin will then control brain malfunction, thus stopping testosterone and sperm production. Even though it is still in the stage of improvement, this injection for family planning is expected to reduce the risk of an unexpected pregnancy.

KB injections for men, can it really prevent pregnancy?
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