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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Obstet Gynecol. 2015 Jun;125(6):1313–1320. doi: 10.1097/AOG.0000000000000859

Table 2.

Frequency and causes of miscarriage n=1084

No. (%)
Overall Sample Sample reporting past miscarriage Sample reporting no prior miscarriage Men Women Sample reporting religious affiliation Sample reporting no religions affiliation
Percentage of Pregnancies that end in miscarriage P value <.001 <.001 .51
 0.01 4(0.4) 0 (0) 4(0.4) 1(0.2) 3(1) 4(1) 0(0)
 0.1 15(1) 1(1) 14(2) 11(2) 4(1) 6(1) 9(2)
 1 89(8) 7(4) 82(9) 55(11) 28(6) 44(8) 45(9)
 5 489(45) 47(29) 442(48) 259(53) 183(38) 250(46) 230(44)
 25 399(37) 82(51) 318(35) 129(27) 220(46) 211(39) 182(35)
 50 76(7) 19(12) 57(6) 26(5) 41(9) 29(5) 46(9)
 75 11(1) 5(3) 6(1) 4(1) 5(1) 3(1) 6(1)
Most common cause of miscarriage
 Lifestyle 235(22) 24(15) 211(23) 147(31) 73(15) 129(24) 100(19)
 Genetic 337(31) 67(42) 270(29) 113(23) 183(38) 167(31) 167(32)
 Medical Problems 462(43) 529(33) 411(47) 209(43) 203(42) 224(41) 233(45)
 Psych Issues 24(2) 6(4) 18(2) 7(2) 13(3) 9(2) 12(2)
 Punishment from God 2(0.2) 1(1) 1(0.1) 0(0) 2(0.4) 2(0.4) 0 (0)
 Destiny or Fate 20(2) 10(6) 10(1) 6(1) 10(2) 15(3) 4 (1)