the pill

so I just got prescribed the pill my whole adult life so far I have had an iud but removed it after 8 years to have a baby. baby is 3 months and obviously don't need another one yet so went to get a iud but doctor could not get it in place so we stopped and decided the pill would be best the thing is I never had the hormone iud so I'm nervous about side effects of pill will they make me sick will I get a blood clot im a big worry wart and of course read all possibly side effects