rate after removal should usually be the same as before. The symptoms could be due to the withdrawal of the hormone after removing the implant. Diarrhea
is not a symptom of pregnancy
, it is probably an infection. In a normal 28-day cycle, ovulation occurs on the 14th day and that is when pregnancy can occur. To know if you have really conceived this cycle, you may have to wait for some more time,i.e., until the time when your next period is due. Good luck.