A 22-year-old female asked:
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my period is late by 40 days and i had sex first time protected, pregnancy test is negative. what could cause delay in period,no sign of pregnancy?

2 doctor answers
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Irregular periods: Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections ; hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test . There are many options available to help regulate the menstrual cycle. Schedule a visit.
Answered on Jun 6, 2014
Dr. Michael Finkelstein
36 years experience Internal Medicine
It would: be helpful to know your age and other info as to regularity of your periods. you may not be pregnant and stress can do many things to a body
Answered on Nov 28, 2017

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Dr. Gerard Honore
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Could be: Could be anovulatory cycle - meaning you didn't ovulate - or a late ovulation. If your periods are not regular, it might be worth doing a pregnancy te ... Read More
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Dr. Robert Kwok
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Some thoughts...: In a woman with regular periods, some causes of a late period include: excessive weight loss or gain, increased exercising, emotional stress, having a ... Read More
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A 24-year-old female asked:
Dr. James Lin
A Verified Doctor answered
A US doctor answered Learn more
Here are some ...: Orgasm will not alter the timing of period's arrival. For sexually active women, do HPT in a wk after missing period and repeat it in a wk if the 1st ... Read More
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