Blood Donation Drive

Today and tmrw will be our blood donation drive campaign in the office. I've donated every single year but this year is a little difference because i dont knw if im "P" or not because people said if you are carrying, u cannot donate. but i want to and if i do, it will be my 11th times already. What should i do because i am not comfirm of  that yet and i am wondering.....