Many couples believe that ovulation happens on the same day of every cycle or that a standard 28-day cycle applies to everyone. Couples, are you trying to conceive? Then, it will be imperative for you to understand the fertile window. However, the timing of ovulation can be different from one woman to another and even from one cycle to another. Couples, are you aware? Various factors such as stress, illness, hormonal imbalance, irregular menses, and PCOS can interfere with ovulation timing and steal the peace of mind. Hence, being dependent on calendar calculations or period-tracking apps may sometimes lead couples to miss their most fertile days.
Ovulation does not always happen on day 14: It is believed that women ovulate on the 14th day of a regular monthly cycle, and this is a common myth. Cycle length tends to change: Stress, travel, illness, changes in weight, intense exercise, and hormonal fluctuations can interfere with the cycle timing, and hence, the calendar-based predictions may not be reliable. Period and fertility apps use information from previous cycles to predict the likely fertile window. They can be useful for understanding menstrual patterns. However, the apps cannot tell when ovulation has actually occurred in women.
This can be true in some cases, but ovulation can also happen earlier or later based on the length and pattern of the woman’s cycle.
1 Sept 2026 | 10:58 Dr. Because they go by the fixed calendar dates, assume ovulation always occurs on the same day, or depend entirely on app predictions, many couples miscalculate their fertility window just. Irregular periods will demand timely attention from an expert. So, conditions such as PCOS, thyroid disorders, and hormonal problems tend to take a toll on the ovulation process. If periods are irregular for many months, then consult an expert instead of just being dependent on the apps. Timing should not be a matter of concern for women: Trying to identify one exact day can create unnecessary pressure for couples. If pregnancy does not occur despite regular attempts, it will be essential to consult the doctor. Understand that the fertile window can vary, and knowing the woman’s cycle patterns is more useful than following a standard formula. It is necessary to make sure to track menstrual changes, recognise possible signs of ovulation, and use appropriate fertility tools to determine ovulation. Persistent difficulty in conceiving should be discussed with an expert instead of depending only on cycle calculations. Soumya Shetty, Fertility Specialist, Nova IVF Fertility, Chembur, Mumbai Looking for trusted parenting advice? Follow TOI Parenting Circle on Instagram for expert guidance, relatable stories, and practical tips delivered every day.