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How late can a false negative be

Premium Questions

doctor1 MD

I am vdrl and tpha positive and my husband tested vdrl/for negative. Is this possible? My husband has had oral sex in the past,the last instance would have been more than a year back,then how come he ...

doctor1 MD

I know for %100 I have syphillis. My ex was diagnosed and treated for it. How can I convince my doctor of this as my blood test come back as a false negative?? ...

doctor1 MD

I am XXXXX I have missed my periods .i have chked I am not pregnant .i want to get them now how do I go about it. I use to get it regularly but this time it is postponed by 5days yet not come ...

doctor1 MD

which was negative and then did betahcg on 3rd May which was also negative. Last year I was detected ... to come. Please advise if I am pregnant or is it due to my hormonal imbalance? Can I take some ayurvedic ...

doctor1 MD

to happen. He can’t rest and always thinks very negative about something or the other issue. We have taken ... and duration of the medication. Can this condition be cured? If so how much time will it take to get to normal. ...

Public Forum Discussions

doctor1 MD

Hi Dr. Samuel. N. Grief, I am trying to conceive and although late for my period, tested negative with a home pregnancy test. I was surprised to read that antihistamines can cause false negative results so am ...

doctor1 MD

/27/14. I am now 4 days late and i took a home pregnancy test last night and it was negative. I have not had ... be pregnant even though the home pregnancy test was negative. ...

doctor1 MD

but that s it no spotting. Can it be possible to have a false negative test being it was a urine test that had blood in it ... in my blood in my urine. We are trying to get pregnant so they did a test and said it was negative. I m ...

doctor1 MD

...had unprotected sex 5 weeks ago and had my period 2 weeks later but now this month I m 7 days late so far. I took a pregnancy test at 4 days late and got a negative. what are the chances that I m ...

doctor1 MD

late for my period. I am having lower abdominal pain, so I took a pregnancy test and it came out negative. Can an ectopic pregnancy cause a false negative? ...

doctor1 MD

i had positive hpt and yet negative result in transvaginal. how could that be possible? i am confuse if I am really pregnant. i had irregular period from last month. that it lasted for 2 days only ...

doctor1 MD

a pregnancy test just last Sunday, it was negative at first then hours passed by, when my sister was about ..., it is a faint line......i tried again but i bought a cheaper one this time it was negative ...

doctor1 MD

period but late and than on i got my periods in may and june but now in july i m not getting them, i fear ... pregnant but i am not sure. i did pregnancy test at home in april which was negative but today when i did ...

doctor1 MD

Hello! I m a little concerned right now. My period is over ten days late, my BBT is remaining high, and I m spotting a little but I ve taken two HPTs and both are negative. I ve been pregnant once before ...

doctor1 MD

a day. She is a week late for her cycle and she took a pregnancy test which was negative, she has been off them for over a week. Can this give her a false negative. Her & her husband are trying to get ...

Mobile Questions and Answers

doctor1 MD

welcome if you are week late, do urine pregnancy test to confirm your pregnancy. citalopram does not cause false test. plz reply with thanks

doctor1 MD

HAI WELCOME TO HCM PRAZAC HAS no effect on urine pregnancy test. if you have doubt you can check your serum beta hcg level to rule pregnancy.

doctor1 MD

Thank you for query.No it may not cause false negative test.we test hormone not any organism to get it negative.Dr Bharatesh D Basti