Table 2. Follow-up Frequency and Reasons for Patient-Initiated, Intrauterine Device (IUD)–Related Contact With Providers Among Adolescents and Adults Who Had an IUD Inserted at the Institute for Family Health Federally Qualified Health Centers Network in 2011

	Adolescents (n = 108)	Adults (n = 216)
Median number of contacts (range)	2 (1–11)	1 (1–6)
Patients with ≥3 contacts	40 (37.0)	33 (15.0)
Most common reasons for contact
Bleeding change	54 (50.0)	93 (43.1)
Pelvic/abdominal pain	53 (49.1)	81 (37.5)
String check	33 (30.6)	69 (31.9)
Remove request	25 (23.1)	42 (19.4)

Data are number (%) unless otherwise indicated.