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Three Negative Pregnancy Test, No Menstrual Period

My menstrual period is delay for 8 days, I had already three negative pregnancy test and my doctor recommended a blood test, which was negative also.  My doctor wants me to wait another 2 weeks and if I don't get my menstrual period, do another round of blood test.  I thought the blood test was definetively, if it was negative is because I'm not pregnant.  Does anybody have any comments?
3 Responses
603463 tn?1220630455
There is usually about 10 days between fertilization and implantation.  The embryo does not produce pregnancy hormone until implantation.  So, there could be a 10 day gap between the time a conception occurs and the time we can detect it.  That is probably why your doctor wants you to wait.  If you don't want to be pregnant, be sure and use something during this wait time! If you were my patient and had both a neg test and no MP on the next set of tests--I would prescribe progesterone to start your period--I like to use Prometrium because it won't harm a baby in case of an "oops".
Good luck!
Dr B
Avatar universal
I think I'm going to wait to take my 3rd pregnancy test, in the light of your comment here, but I am displaying multiple symptoms of early pregnancy - missed period, nausea, frequent urination (with more secretion), extreme weepiness, backache, headaches, weight gain on tummy and breasts (which are sore - very much the way they get before period and I think the areola are darker).
Avatar universal
A related discussion, 3 weeks late? was started.
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