Pregnant woman can workout as long and as often as they want is not a true statement about pregnant woman
Too much physical discomfort that a pregnant woman experience will heavily affect the health of her Fetus.
It's important not to overdo any physical activities if you're a pregnant woman, make sure that you consult it to your physician.
This is true. Women are generally shorter than men and the shorter you are the closer your center of gravity is to the ground, and the lower it is the higher the stability, which means that women are in theory more stable. Men do have more muscle mess, both in the sense that they are larger physically so there's more mass, and also proportionally.
Answer:
protein boosts muscle growth and helps rebuild muscles that may have been injured/torn