Changing US trends in contraceptive choices

Article Figures & Data

TABLE 1

Characteristics of commonly used contraceptive methods

Medical condition	DMPA	LNG-IUD	CHCs	Subdermal implant
Unintended pregnancy rates	≤ 1%⁵⁶	< 1%	9%	< 1%
WHO effectiveness tier	2 (highly effective)⁵⁷	1 (most effective)	2	1
Drug interactions	Minimal	Minimal	Several⁵⁸	Minimal
Influence on blood pressure	Minimal	Minimal	Can cause mild increase	Minimal⁵⁹
Venous thromboembolism	Minimal	Minimal	Slight increase in risk⁵⁷	Minimal⁶⁰
Weight gain	Yes³⁶	Minimal	Minimal	Minimal^59,61
Influence on bone density	Negative²³	Minimal	Positive⁶²	Minimal⁶³
Endometrium	Antiproliferative^4,6	Antiproliferative⁵⁰	Antiproliferative⁶⁴	Antiproliferative⁶⁵

CHCs = combined hormonal contraceptives; DMPA = depot medroxyprogesterone; LNG-IUD = levonorgestrel-releasing intrauterine device; WHO = World Health Organization
Based on information in references 4, 6, 23, 36, 50, and 56–65.