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Maternal (Expert Forum)
Re: Can Pregnancy Tests Be Accurate Later in Pregnancy?
Patient medical question and answer from The Maternal and Child Health Forum. Health topic area and articles about newborn care
Re: Can Pregnancy Tests Be Accurate Later in Pregnancy?
by Jil__0, Jan 01, 1995 12:00AM
Posted By Jilll on April 09, 1999 at 09:25:40:
In Reply to: Re: Can Pregnancy Tests Be Accurate Later in Pregnancy? posted by Tracy Trull on April 09, 1999 at 01:30:26:
I read on another bulletin board that after the 3rd month, the mother's placenta is done developing so that hCG level drops to 10% of the peak level for the mother and that pregnancy tests will then not be accurate.
Wouldn't there be at least enough hCG to bring up a positive on a QUALITATIVE blood test (the yes or no kind) or an EPT home test? Or does the hCG level drop to insignificant levels and pregnancy tests are then not accurate? Or does this only apply to home tests? Will a qual. blood test give a positive if a woman is 5, 6, 7 months pregnant even if her hCG levels have dropped?
One more question - how accuate is an OB-GYN's pelvic exam to determine pregnacy at 8 weeks since the actual conception date - is there anything in particular I need to be sure the OBGYN is looking for or that I need to ask.
I'm so confused and hoping you can answer my questions. Thanks.
A doctor can usually tell from changes in the color of the cervix, as well as growth and firmness of the uterus. Shouldnt be able to miss a pregnancy with a pelvic.
Follow Ups:
In Reply to: Re: Can Pregnancy Tests Be Accurate Later in Pregnancy? posted by Tracy Trull on April 09, 1999 at 01:30:26:
I read on another bulletin board that after the 3rd month, the mother's placenta is done developing so that hCG level drops to 10% of the peak level for the mother and that pregnancy tests will then not be accurate.
Wouldn't there be at least enough hCG to bring up a positive on a QUALITATIVE blood test (the yes or no kind) or an EPT home test? Or does the hCG level drop to insignificant levels and pregnancy tests are then not accurate? Or does this only apply to home tests? Will a qual. blood test give a positive if a woman is 5, 6, 7 months pregnant even if her hCG levels have dropped?
One more question - how accuate is an OB-GYN's pelvic exam to determine pregnacy at 8 weeks since the actual conception date - is there anything in particular I need to be sure the OBGYN is looking for or that I need to ask.
I'm so confused and hoping you can answer my questions. Thanks.
A doctor can usually tell from changes in the color of the cervix, as well as growth and firmness of the uterus. Shouldnt be able to miss a pregnancy with a pelvic.
Follow Ups:
