test with urine is quite reliable.
you have already consulted gynecologist and got a check up,By this time your pregnancy would have been diagnosed by internal examination only.
the medicine have been prescribed only after excluding pregnancy ,
if no bleeding occurs in another 2/3 days time please discuss with your doctor,
An U S G examination and thyroid
function test and F S H,L H ,Prolactin
estimation will be helpful .
After your periods be normal you you discuss about your conception with your doctor,
treatment for infertility
is a continued process and evaluation of both husband and wife needed.
hope you be well and get result .