 [ Symptoms ] had unprotected sex feb 8 and i took nordette pills as ecp on feb 11 will it still work my most fertile day was feb 10 by the way i have a regular cycle [ Disease ] hi well it looks more like a cardiac issue get ecg and 2d echocardiography done for confirmation if at all it is negative then you can proceed for an mri for nerve related problems but please do not delay to avoid complications regards