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Delay period

By June 13, 2017 - 7:40am
 
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Hi. so 2 days ago i was supposed to get my period. I still haven't but my periods are very very irregular so I'm not too worried. But the thing is, i had protected sex on the 27th of may, then a couple days later i had a UTI infection and was given antibiotics for 10 days. Can antibiotics delay your period? I really can't be pregnant. I read that it can delay ovulation or ovulation may not even happen. Im not sure. help?

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Hello xxchristine,

Welcome again to EmpowHER.

Theoretically, it is possible for a UTI to cause you to have a late period. Illnesses and infections can delay ovulation and this can make your period come later than expected.

There are actually two ways antibiotics could affect the estrogen metabolism. Most antibiotics are absorbed in the liver, and when they are present, the metabolism rate of estrogen as well as progesterone will be affected. This can interfere with the estrogen supply that is in the blood and cause an irregularity of the menstrual cycle.

There are some antibiotics that will cause diarrhea-like symptoms when they interfere with the stomach flora. When this happens, excessive amounts of estrogen will be secreted through the stomach because there is much less time for it to re-absorb. The circulation of the entero-hepatic will be affected and cause a reduction of estrogen levels in the blood.

When the estrogen levels change in the blood, your cycle will be affected because wrong information is being sent to the pituitary gland to release hormones as expected. Your body actually ovulates based on the pituitary gland’s ability to identify that sufficient estrogen is in the blood, so antibiotic treatment can affect all of these delicate balances.

This is why most antibiotics cause women to have irregular menstrual cycles.

Hope this helps,
Maryann

June 13, 2017 - 8:46am
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