Clinical Research Directory

Inclusion Criteria: * Meet clinic eligibility for IUD placement * Have a LNG 52 mg IUD placed for either emergency contraception (had unprotected intercourse in the last 5 days) OR Same-day start, \>7 days since the onset of last menstrual period and have no report of unprotected intercourse in the last 5 days * Negative high sensitivity urine pregnancy test prior to IUD placement. * No known contraindications to the LNG 52 mg IUD per the CDC Medical Eligibility Criteria for Contraceptive Use 2016 * Have had penile-vaginal intercourse at least once since their last menstrual period. If last menstrual period is unknown or irregular, then have had penile-vaginal intercourse at least once in the last month. * Fluent in English or Spanish * Working Cell Phone number that receives text messages * Willing to comply with the study requirements including providing 1-month follow up data including a urine pregnancy test result one month after IUD placement Exclusion Criteria: * Current pregnancy * Currently Breastfeeding * Current use of permanent contraception (has had a hysterectomy, tubal permanent contraception, or partner with a vasectomy in the last month) * Use of any contraceptive pills, patches, vaginal rings or any contraceptive implant or IUD use in the last 4 weeks * Use of oral emergency contraception in last 5 days * Vaginal bleeding of unknown etiology * Use of injectable hormonal contraceptive (Depo-Provera) in the last 6 months * Planned use of any non-contraceptive estrogen, progesterone, or testosterone * Acute cervicitis * Known abnormalities of the uterus that distort the uterine cavity * Ended pregnancy at or under 20 weeks gestational age within the last 2 weeks * Ended pregnancy over 20 weeks gestational age within the last 6 weeks