Tubal ligation can predispose to ectopic pregnancy. Vasectomy is much less expensive and safer than tubal ligation. The human women have their tubal ligation reversed. Essure was designed as an alternative to tubal ligation. Short term complications are twenty times less likely from a vasectomy than a tubal ligation. For contraceptive purposes, this procedure is irreversible and more effective than tubal ligation. Reversal of tubal sterilization (tubal reversal) carries a risk for ectopic pregnancy. The death rate for vasectomy was 1.6 times higher than that for tubal ligation. Zainab arranges a tubal ligation for her. Most ectopic pregnancies (90%) occur in the fallopian tube, which are known as tubal pregnancies. Montgomery had four children until 1990, when she underwent a tubal ligation. New Zealand, in contrast, has higher levels of vasectomy than tubal ligation. Carrie Buck was operated upon, receiving a compulsory salpingectomy (a form of tubal ligation). Tubal insufflation is a standard procedure for testing patency. There are many different ways tubal sterilization can be accomplished.