Contraceptive Usage

Inclusion Criteria

- Women who are 21 to 44 years of age
 - Women who are between 90-300 pounds (40-136 kilograms)
 - Women who are scheduled to undergo an Essure micro-insert placement procedure for permanent birth control
 - Women who are willing to accept the risk of pregnancy occurring while relying on the Essure device for prevention of pregnancy
 - Women who are believed to have two viable fallopian tubes
 - Women who are able and willing to provide written informed consent
 - Women who have the mental capacity to understand the Informed Consent, comply with the protocol requirements, and provide reliable feedback regarding device wearing
 - Women who can be available for all study visits
 - Women who are willing to allow data to be shared with the sponsor and with regulatory bodies
 - Women who are not contraindicated for the Essure procedure according to the Essure Instructions for Use (IFU)

Exclusion Criteria

- Women who have known proximal tubal occlusion in either fallopian tube
 - Women who have had a fallopian tube sterilization procedure
 - Women who have a unicornuate uterus
 - Women who have known endometrial or myometrial pathology that is likely to prevent access to the fallopian tube ostia
 - Women who are scheduled to undergo any other intrauterine procedures at the time of Essure placement
 - Women who are pregnant or suspected of being pregnant
 - Women who have had a delivery or termination of pregnancy within the last six weeks
 - Women who have an active or recent upper or lower pelvic infection
 - Women who are contraindicated for Essure micro-insert placement according to the Essure Instructions for Use (IFU)
 - Women who have a known intolerance to transvaginal imaging