Because your body is creating new space and resources in order to support a new life. So you will often feel light-headed (because your body is producing more blood), aches in your hips, over your ovaries (the ligaments that support your stomach, and the baby, are growing), etc.
Yes
As long as the pains are normal and not too severe you can take a pregnancy-safe painkiller, such as Tylenol, but NOT aspirin or Advil. Severe pains are a reason to call your doctor immediately.
Feels like growing pains
not always.
yes
yes it can.
Signs of pregnancy are absent period and positive pregnancy test. Watery discharge, butterflies, and lower back pains are not signs of pregnancy.
no, see your doctor
YES
no because I've got sharp pains but I'm only 10
headaches are not a sign of pregnancy.
no that doesn't mean pregnancy