Use of Kegel perineometer to measure levator muscle tone.
D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008365:Manometry / Q000295:instrumentation*; D009119:Muscle Contraction; D009129:Muscle Tonus / Q000187:drug effects*; D014621:Vagina / Q000187:drug effects
D004967:Estrogens