 [ Symptoms ] what does a low red blood cell count mean and what exactly is considered low  i had a cbc done at my gp and i have previously been diagnosed with anemia they said my red blood cell count was a little low so i may want to do an iron supplement but they did not go into any more detail what is considered low is there anything nutritionally that i could do to get this back to normal so i do not feel so tired and cold all of the time i am currently taking 3 a day wholefood vitamins [ Disease ] most birth control pills contain a combination of two types of hormones an estrogen and a progestin these work together to stop your body is production of a hormone that tells your ovaries to release an egg so in fact they primarily work by stopping ovulation from occurring each cycle if there is no egg released there is no egg to fertilize and you prevent pregnancy the hormones in the birth control pills cause other changes that help to prevent pregnancy as well nevertheless this is their main mechanism of action