Researchers testing potential breakthrough for male birth control gel

NEW YORK — This week the National Institutes of Health (NIH) announced the start of a trial for a male contraceptive in gel form. It's a big step in the search for a birth control men can use, and if it works, it would fill an important public health need.According to the NIH, the gel called NES/T, contains a form of progestin, a hormone that can prevent ovulation during pregnancy. It blocks natural testosterone, reducing sperm production. The gel also contains replacement testosterone to