If you’ve been trying to conceive for any length of time, it can be overwhelming. The truth is, conception is not a simple process — it can take up to a year for a healthy woman 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 8 common fertility myths.