A 22-year-old member asked:
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suppose if the period starts 9:30pm.should i calculate the first day completion of the period next day 9:30pm? or 12am the very first day

1 doctor answer
Dr. Pavel Conovalciuc
22 years experience Family Medicine
Doesn't matter: A few hour difference won't matter really. I would count the day your period started at 9.30 P.M. As day 1.
Answered on Oct 3, 2013

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A 33-year-old female asked:
Dr. Jeff Livingston
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You can't : If you are having periods in an irregular pattern you can predict the next one. That's what an irregular pattern is.
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A 20-year-old female asked:
Dr. Adam Levy
Dr. Adam Levy answered
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Not sure: This is not a normal circumstance. To predict ovulation may require you to start testing your urine. These tests are available at most drug stores.
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A 26-year-old female asked:
Dr. Joe Merritt
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Use actual dates: If ovulating the period will occur 14 days after ovulation, regardless of how long the overall cycle is. Just count back from 1st day of flow and tha ... Read More
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