Table 1 Characteristics of studies included in the review
From: Return of fertility after discontinuation of contraception: a systematic review and meta-analysis
Authors & FP method | Publication year | Type of contraception | Sample size | Duration of use | Pregnancy rate | Design of the study | Setting |
|---|---|---|---|---|---|---|---|
Implants | |||||||
[24] Affandi et al. | 1999 | Implanon | 80 | mean 35.3 month | 48.80 | Prospective | Indonesia |
[24] Affandi et al. | 1999 | Norplant | 80 | mean 55.8 month | 37.50 | Prospective | Indonesia |
[25] Buckshee et al. | 1995 | Norplant II | 159 | 30.0 ± 11.5 months | 80.30 | Prospective | India |
[26] Sivin et al. | 1992 | Norplant II | 116 | Mean 29.1 month | 84.00 | Prospective obs. | Not specified |
[26] Sivin et al. | 1992 | Norplant VI | 62 | Mean 33.6 ± 1.9 | 83.00 | Prospective obs. | Not specified |
[27] Singh et al | 1989 | Norplant | 100 | 90.00 | prospective | Singapore | |
[28] Affandi et al | 1987 | Norplant VI | 51 | 32.4 ± 8.8 months | 76.50 | Prospective | Indonesia |
[29] Diaz et al | 1987 | Norplant VI | 87 | 1–8 years | 85.6 | Prospective | Chile |
waited mean (12 month Return rate of pregnancy among ex-users of implants) | 74.70 | ||||||
Injectable | |||||||
[30] Bahamondes et al. | 1997 | Cyclofem-monthly | 70 | 7.1 ± 4.6 cycle | 82.90 | Prospective | 4 countriesa |
[31] ICMR task Force | 1986 | Norethisterone | 69 | 11.9 ± 4.9 months | 72.50 | Prospective | India |
Waited mean (12 month Return rate of pregnancy among ex-users of injectable) | 77.74 | ||||||
Oral contraceptives | |||||||
[32] Barnhart et al. | 2009 | Oralcontraceptives | 21 | 81.00 | Prospective | multicenter | |
[33] Cronin et al. | 2009 | Oralcontraceptives | 2064 | 7.2 yrs | 79.40 | Prospective obs. | 7 countriesb |
[34] Wiegratz et al. | 2006 | 30 mcg EE/2 mgDNG | 706 | 21.5 ± 16.8 cycle | 94.00 | Prospective obs. | Germany |
[35] Farrow et al | 2002 | Oralcontraceptives | 8497 | 88.00 | Prospective | England | |
[36] Zimmermann | 1999 | 31 mcg EE/2 mgDNG | 348 | med. 4-6 cycle | 95.00 | Prospective obs. | Germany |
Waited mean (12 month Return rate of pregnancy among OC ex-users) | 87.04 | ||||||
Intra uterine device (IUD) | |||||||
[37] Delbarge et al | 2002 | GyneFix | 128 | mean104.6 ± 93wk | 88.00 | Prospective | Belgium |
[38] Tadesse et al | 1996 | Copper T-200 | 780 | med. 3.5 years | 86.00 | Prospective obs. | Ethiopia |
[39] Anderson et al | 1992 | Nova-T | 71 | Median 21 month | 71.20 | Prospective | 5 countriesc |
[39] Andersson et al | 1992 | LNG-20 IUS | 138 | Median 19 months | 79.10 | Prospective | 5 countries |
[26] Sivin et al. | 1992 | TCu380Ag | 103 | mean 38.9 months | 77.00 | Prospective obs. | Not specified |
[26] Sivin et al. | 1992 | LNG-20 IUS | 91 | mean 30.2 months | 84.00 | Prospective obs. | Not specified |
[40] Gupta et al. | 1989 | Copper plus Prog. | 91 | 56% b2 years | 92.30 | prospective | Not specified |
[28] Affandi et al | 1987 | Lippes C IUDs | 75 | 31.8 ± 8.6 month | 74.70 | Prospective | Indonesia |
[41] Skjeldestad et al | 1987 | Copper IUDs | 101 | 56% b24 months | 81.00 | Prospective obs. | Norway |
[42] Belhadji et al. | 1986 | TCu380Ag | 50 | 23.96 months | 91.10 | Prospective | Not specified |
[31] ICMR Task Force | 1986 | Copper T-200 | 110 | 28.2 ± 14.7 months | 83.60 | Prospective | India |
[42] Belhadji et al. | 1986 | LNG-20 IUS | 60 | 22.72 months | 96.40 | Prospective | Not specified |
[43] Randic et al | 1985 | all forms of IUD | 576 | 59% b3 years | 86.10 | Prospective | Yugoslavia |
Waited mean (12 month Return rate of pregnancy among IUD ex-users) | 84.75 | ||||||