girls do not drop out because of lack of sanitary towels, right till I joined medical college I used cloth. Girls do drop out because of PMT, and other issues. As for the sanitary towel, the use of excessive feel dry pads leads to drying up of the tissue leading to irritation, rashes and eventually cervical embarrassment. Soft Linen was used when we were kids, or old soft cotton saris or clothes would be recycled. It used to washed and dried in specified area there was no taboo shrouding it.