Harper 2014.

Trial name or title	Mirena Intrauterine System Timing of Insertion: A Randomized Controlled Trial (MISTIC)
Methods	Location and time frame: St. Louis, MO (USA), October 2010 to December 2012. Design: randomized controlled trial, open label Sample size calculation and outcome of focus: no mention
Participants	General with N: 53 women, enrolled ≥ 36 weeks gestation at study hospital Inclusion criteria: 14 to 45 years, vaginal delivery at study hospital, sexually active with male partner, no tubal ligation or hysterectomy, not currently using contraception, desire reversible contraception, resides in St. Louis City or County, requests LNG‐IUS for contraception Exclusion criteria: allergy to LNG‐IUS, cesarean delivery, cervical cancer, breast cancer, active liver disease, untreated cervicitis, uterine anomaly or fibroids preventing IUS placement, delivery < 36 weeks, chorioamnionitis, prolonged rupture of membranes (> 18 hours)
Interventions	LNG‐IUS insertion Treatment: immediate postplacental (within 10 minutes) Comparison: standard (4 to 6 weeks postpartum)
Outcomes	LNG‐IUS in place, IUS expulsion, uterine perforation, intrauterine infection Assessment times: 4 to 6 weeks and 6 months postpartum
Starting date	October 2010; expected completion December 2012
Contact information	Lorie M. Harper MD; listed as University of Washington School of Medicine, but more recently at University of Alabama at Birmingham (205) 934‐9999
Notes	ClinicalTrials.gov states trial is completed. No report identified. Unable to obtain further information from investigator.