Period Tracker
Understanding Your Menstrual Cycle
The Four Phases of Your Cycle
Your menstrual cycle consists of four distinct phases:
- Menstrual Phase (Days 1-5): Your period occurs as the uterine lining sheds
- Follicular Phase (Days 6-14): Eggs mature in follicles in your ovaries
- Ovulation (Day 14-16): An egg is released from the ovary
- Luteal Phase (Days 15-28): The uterine lining thickens in preparation for pregnancy
Tracking Your Fertility
Understanding your fertile window can help with both conception and contraception:
- The fertile window typically includes the 5 days before ovulation and the day of ovulation
- Sperm can survive in the female reproductive tract for up to 5 days
- The egg is viable for about 12-24 hours after ovulation
- Basal body temperature and cervical mucus changes can help identify ovulation
Common Cycle Variations
| Variation | Description | When to See a Doctor |
|---|---|---|
| Irregular cycles | Varying more than 7-9 days between cycles | If persistent for several months |
| Heavy bleeding | Soaking through a pad/tampon every 1-2 hours | If affecting daily life or causing anemia |
| Missed periods | No period for 3+ months (not pregnant) | After 3 missed cycles |
| Severe cramps | Pain that prevents normal activities | If over-the-counter meds don't help |
Did You Know? The average menstrual cycle is 28 days, but normal cycles can range from 21 to 35 days in adults. Teen cycles are often longer (21-45 days) and may take several years to regulate after menarche (first period).
5 Tips for Cycle Tracking
- Track consistently: Use an app or calendar to record start/end dates
- Note symptoms: Record physical and emotional changes throughout your cycle
- Understand patterns: Look for trends over 3-6 months
- Consider basal temp: Tracking morning temperature can confirm ovulation
- Check cervical mucus: Changes in consistency indicate different cycle phases