Hi Im A 16 Year Old Girl This Is Embarassing

Hi im a 16 year old girl this is embarassing but last night i shaved my vagina and now there are red bumps on it do you know what i should do it hurts real bad and theres a other thing i want to ask that is embarrassing i just started trying masturbating and um somethimes it hurts when i have an orgasm it fells good when it happens but after it hurts do you know why that is thanks for your time. from Amanda