If you’ve been trying to conceive for any length of time, it can feel overwhelming. The truth is, conception is not a simple process — even if you and your partner are healthy, it can take up to a year of unprotected sex to get pregnant. For most couples without any fertility problems, patience and persistence are the keys to making a baby. Still, many rumors persist about what can hurt — or improve — your odds of conceiving. Does exercise lower fertility? What about stress? We see if there’s any truth to eight common fertility myths.