I enjoyed reading the November article on Soiled Doves, but nothing was mentioned about contraception. What did they do to prevent pregnancy?

I enjoyed reading the November article on Soiled Doves, but nothing was mentioned about contraception. What did they do to prevent pregnancy? Barbara Oline Taos, New Mexico Pregnancy was a serious problem for prostitutes as it put them out of work for months; they did whatever was necessary to keep from getting pregnant. The madams were usually skilled in the means of contraception. Women douched with various substances such as alum, quinine, lemon juice and baking soda. Some made conc