Why do girls grow boobies?

I Have Been Feeling Really Sick To My Stomach And Sore Nipples for about a month But I Started My Period its really Light Though. Could I Be Pregnant? Can you explain more clearly how primolut-N can be used to prepone periods? How do you clean Catheters? What is the medical term meaning common changes in the eyes that occur with aging? What is niproxin? Do you keep your uniform neat and clean? I am 42 and had light pink blood once when i wiped and the rest of the week its been brown sasasasaspotting. is there any other reason for this besides implantation bleeding? What is a abbott? Can someone tell you why you are lactating you took a pregnancy test it was neg but your brest are sore and you have the signs you never lactate unless you are pregnant you had your period last month? Can a personal care giver give a tubal feeding? Can you get bumps on your nipples from going to the tanning bed? Why do men pierce their nipples? What does numbness of arms and feeling of nausea and unconsciousness for a few secs mean? Where can I become acls certified? How do you flush a portacath? Why wear safety boots at work? Care of traechotomy? What are both good and bad that jonsas mother warns him will happen after he begins his assignment? In order for a nurse to appropriately carry out his duty to the patient the nurse must? What does the female shown on the Christina model sites have a tattoo of?