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Before my due is excatly 28 days 2 months back my period came 25 days after last month my period came 20 days and this month came 30 days after I am caluclating 1 day of my period as 1 st day. Why this irregularly happened and now how can I calculate best days for sex getting pragnency.

1 Doctor Answered
You are writing about family planning method called'safe period' which is actually quite unsafe for avoiding pregnancy. In those who have irregular cycles very few days can be considered safe. In your case first 3 days and after 19 days can be considered safe however remember not very safe so better to use some other method.
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