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Im a 25 yr old female, married and off birth control for 8 mos. My cycle's started off regular then the last 3 mos have become irregular averaging 36-38 day's. My husband and I were apart due to his job since Sept 1st and when I went to visit him my cycle was on the 37th day. I still have not received my period and now I'm on day 57 since my last period. I am tired all the time (tired is an understatement), moody, have almost constant upset stomach, lower back pain every once in a while and food cravings, mainly sweet items which is not my normal. I have taken a pregnancy test but it came back negative. Could i be pregnant and if so why is a pregancy test not picking it up since i am about 3 weeks late?

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replied October 30th, 2009
Am I Pregnant Answer A7702
Hi, and thanks for your medical question on eHealth's Ask a Doctor forum.

If you went to visit your husband and were on 37th day of your cycle then you could not have conceived in this cycle. If at all you are pregnant then you would have conceived in the previous cycle, even if you had period on 2nd Sept. Some women bleed as usual for a few months even when they are pregnant.

However since the home pregnancy test is negative, the only way to confirm is through a lab test or an ultrasound.
Hypothyroidism and polycystic disease of the ovary can cause delayed or missed periods. Pituitary tumors secreting prolactin can also cause such problems. Anemia and poor diet are other reasons for delayed or missed periods. These causes for delayed periods should be looked into.

It is difficult to comment beyond this on net. Discuss these possibilities with your gynecologist. Hope this helps. Take care!

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