You know the one, with all of the stylishly dressed young women killing it in the workplace, telling you that they’ve “armored up” against an unplanned pregnancy? It’s clever enough, as the Nexplanon implant goes into one’s arm. Unfortunately, Merck (the makers of Nexplanon) may have to come up with another clever slogan for their device, as reports have surfaced that the matchstick-sized implant has a nasty habit of migrating elsewhere in a woman’s body, instead of staying put in her arm. Like other methods of long-acting reversible contraception (or, “LARCs”), the Nexplanon implant is increasingly favored by patients and...