“…(Interval sterilizations are those procedures performed at times other than those concomitant with abortion or delivery.) Selected international studies for colpotomy (Edwards & Hakanson 1973;Purandare 1974;Tappan 1973;Ashton 1974;Kashani, McCann & Vakilzadeh 1975;Yuzpe, Anderson, Cohen & West 1974;Wortman & Piotrow 1973), culdoscopy (Chen et 1974;Koetsawang 1974;Little 1972;Pacheco-Mena 1974;Lee 1975;El-Deen 1975;Mukerji & Chatterjee 1973;Cheng et al 1975), laparoscopy (Madrigal, Wallman & Goldsmith 1975;Edgerton 1974;Kleppinger 1974;Hughes & Liston 1975;Kiser & Newman 1975), and mini-laparotomy (Daissenaike 1976;Wortman 1974;Osathanondh 1974;Meyer & King 1975), were reviewed. Comparison of these studies indicates great variability in reporting of data because the meaning of terms and complications and the criteria by which they were determined have not been standardized.…”