Sixty-one women underwent non-surgical female sterilization with two applications of methylcyanoacrylate (MCA) at intervals of two months, three months or four months apart. Bilateral closure (as determined by hysterosalpingogram (HSG) ranged from 86% for women with an interval of four months between applications to 100% for women with an interval of two months between applications. One pregnancy occurred in a women three months after she was declared sterile.