Most women just have one and then go on to have completely normal pregnancies.
If you have another one, make your doctor do some blood work on you to test for Progesterone dificiency. That's what I had, and now, to carry a baby to term, I need to take oral progesterone for the first 11 weeks. Also have them test for thyroid and insulin, because these can interfere too. I know how stressful it can be. Most women just have one and then go on to have completely normal pregnancies.