hi doctor, i started to take norethisterone on cycle day(CD) 16 for 4weeks after i done hysterscopy and i ovulated on CD14. today is my 2nd week of takings the medicine, from last few days i felt extremely tired, thirsty, leg sore, tender breast, dizzy, felt vommit. do i have chance to get pregnant even after the hysterscopy and when i am on norethisterone?