If you want to get pregnant, don't trust an app

Welcome to Small Humans, an ongoing series at Mashable that looks at how to take care of – and deal with – the kids in your life. Because Dr. Spock is nice and all, but it’s 2018 and we have the entire internet to contend with.Perhaps you've used a period-tracking app for years and now you're ready to start trying to conceive. Or maybe you've been trying and you're considering downloading a fertility app. It seems simple and clear, all neatly marked on a calendar grid: fertile,