Fitbits for fertility? Wearable apps aim to help couples conceive.
More women than ever are delaying having their first child, with 20 percent of women in the United States having their first after age 35, according to the Centers for Disease Control. And, of those couples having children later, about one third have fertility problems.
So, with little time to waste, many women and their partners are turning to tech for help.
A new product called KNOWHEN — online now and hitting store shelves in the spring —offers an at-home saliva test to determine a woman's five most fertile days each month.
See More At: NBC News