The labia minora (the inner lips surrounding the entrance to the vagina) grow during puberty and vary enormously in size and thickness. They are rarely symmetrical and if they are particularly enlarged women find them uncomfortable and embarrassing. They are prone to irritation wearing tight clothing and sports women and horse riders experience particular discomfort

After childbirth the vaginal muscles are stretched and although postnatal physiotherapy and exercises can help, the vagina often does not regain its normal tone and remains lax