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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Delayed Periods Post Unprotected Sex With Negative Pregnancy Test?

Hi pls I had unprotected sex wit my bf on 13 of April and am expecting my period on 28 which I didn t see it so I went for a pregnancy blood test on 28 and also scan but the pregnancy test says negative while the scan says there s some thing in the sac which is not clear and I haven t see my period till now
posted on Mon, 2 May 2016
Twitter Thu, 19 May 2016 Answered on
Twitter Fri, 20 May 2016 Last reviewed on
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General & Family Physician 's  Response
Hi
Welcome.
One has to go for urine pregnancy test after week of missed period and with morning sample, which is more accurate.
But when compared with trans vaginal ultrasound, ultrasound is more confirmative.
Hope this helps.
Take care
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What Causes Delayed Periods Post Unprotected Sex With Negative Pregnancy Test?

Hi Welcome. One has to go for urine pregnancy test after week of missed period and with morning sample, which is more accurate. But when compared with trans vaginal ultrasound, ultrasound is more confirmative. Hope this helps. Take care