A system of practical medicine…
“ Repetition at periods approximating the menstrual is the keynote of diagnosis. By this menorrhagia is distinguished from the hemorrhage of a miscarriage and from metrorrhagia. A profuse flow of blood after an absence of menstruation for one or two months is held by patients, in perfect good faith, to be the effect of taking cold: with almost absolute certainty such a train of events indicates an abortion. Metrorrhagia is uterine hemorrhage occurring independently of the menstrual periods. More surely indicative of organic disease than menorrhagia, it is often most closely allied to it ”
