A member asked:

But why does the app on my phone say the 18th but last month my period was the 14th-18th?

A doctor has provided 1 answer

Dr. Cynthia Palabrica answered

Computers: The app is made based on averages. Every cycle, everyperson may vary from the average. It is to be used as a guide, not an absolute.

Answered 9/21/2014

3.7k views

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A member asked:

But why does the app on my phone say the 18th but last month my period was the 14th-18th?

A doctor has provided 1 answer

Dr. Cynthia Palabrica answered

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