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Table 2 Association of obstetrical and reproductive history and reproductive tract infections with secondary infertility

From: The risk factor profile of women with secondary infertility: an unmatched case-control study in Kigali, Rwanda

Variable Cases N = 177 n (%) Controls N = 219 n (%) Age adjusted OR
Obstetrical and reproductive history    
Ever IUCD 2 (1) 5 (2) 0.38 (0.07-2.10)
First pregnancy before age 21 years 97 (55) 92 (42) 2.56 (1.63-4.02)
Unwanted pregnancy 49 (28) 11 (5) 11.51 (5.47-24.20)
Pregnancy with another partner 105 (59) 48 (22) 5.68 (3.56-9.08)
No prenatal care in last pregnancy1 20 (15) 7 (4) 4.68 (1.81-12.12)
Unattended birth 44 (25) 75 (34) 0.81 (0.56-1.18)
Adverse pregnancy outcome2 57 (32) 44 (20) 1.89 (1.17-3.04)
Stillbirth 32 (18) 6 (3) 7.52 (2.97-19.01)
Unsafe abortion 3 (2) 0 (0) 1.33 (0.73-2.39)
Caesarean section 30 (17) 27 (12) 11.49 (3.31-39.89)
Postpartum infection 24 (13) 3 (1) 1.71 (0.93-3.13)
Curettage3 32 (18) 23 (10)  
Reproductive tract infections    
BV 50 (28) 32 (15) 2.68 (1.58-4.54)
Positive HIV serology 74 (42) 35 (16) 4.10 (2.50-6.72)
Positive HSV-2 serology 121 (70) 99 (45) 2.56 (1.65-3.96)
Positive Chlamydia serology 31 (18) 33 (15) 1.58 (0.89-2.80)
Old treated syphilis 16 (9) 8 (4) 2.85 (1.13-7.18)
  1. 1 women whose last pregnancy was a miscarriage are excluded from analysis, leaving 129 cases and 195 controls
  2. 2includes miscarriage and ectopic pregnancy
  3. 3includes post-abortion and postpartum curettage