What Causes Narrow Hips?
The Authors Point to Estrogen Levels, Which Rise During Puberty and Decline Later in Life, as the Likely Cause of the Widening and Subsequent Narrowing in the...
The authors point to estrogen levels, which rise during puberty and decline later in life, as the likely cause of the widening and subsequent narrowing in the female pelvis, in particular because estrogen is known to impact bone growth and development.
What age do women's hips widen?
With the onset of puberty, the male pelvis remains on the same developmental trajectory, while the female pelvis develops in an entirely new direction, becoming wider and reaching its full width around the age of 25-30 years.
Do narrow hips make childbirth harder?
Baby's size
The baby might be slightly wider than the hips, and if so, this could potentially slow down delivery. Just the same, a woman with a narrow-shaped pelvis — which typically makes it more difficult to deliver — may have a smoother birth due to delivering a smaller baby.