If you think you may be pregnant, take a pregnancy test first
Eat regular meals and avoid extreme dieting
Maintain a healthy body weight
Reduce intense exercise if you are overtraining
Manage stress with sleep, relaxation, and routine
Get enough sleep each night
Track your cycle to see if it is just late
See a healthcare professional if your period is more than 90 days late
See a healthcare professional if you have very irregular cycles
See a healthcare professional if you have pelvic pain, unusual discharge, or heavy bleeding
See a healthcare professional before trying any hormone or herbal product to induce a period