After puberty, a girl's waist narrows in proportion to her hips as oestrogen levels rise, and then expands as the hormone concentration decreases with age.
After puberty, a girl's waist narrows in proportion to her hips as oestrogen levels rise, and then expands as the hormone concentration decreases with age.
青春期后，由于雌激素分泌增多，女人腰部与臀部的比例增大，而随着年龄的增长荷尔蒙分泌会下降，腰身也将变粗。