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["Table S2. Multivariate logistic regression analysis for factors influencing the occurrence of congenital anomalies"]
[]
[null,"β","P value","Odds ratio (95% CI)"]
["dydrogesterone exposure","−0.024",0.927,"0.98 (0.59, 1.62)"]
["maternal age (yrs)"]
["  <30",null,0.951,"reference"]
["  30–<35","−0.073",0.616,"0.93 (0.70, 1.24)"]
["  35–<40","−0.020",0.922,"0.98 (0.66, 1.46)"]
["  ≥40",0.029,0.944,"1.03 (0.45, 2.33)"]
["paternal age (yrs)"]
["  <30",null,0.542,"reference"]
["  30–<35","−0.056",0.714,"0.95 (0.70, 1.28)"]
["  35–<40","−0.008",0.966,"0.99 (0.68, 1.44)"]
["  ≥40","−0.326",0.217,"0.72 (0.43, 1.21)"]
["maternal BMI (kg/m2)"]
["  <18.5",null,0.732,"reference"]
["  18.5–<24.0",0.054,0.785,"1.06 (0.72, 1.56)"]
["  24.0–<28.0",0.051,0.817,"1.05 (0.68, 1.62)"]
["  ≥28.0",0.135,0.612,"1.14 (0.68, 1.93)"]
["unknown","−0.613",0.252,"0.54 (0.19, 1.55)"]
["duration of infertility",0.008,0.657,"1.01 (0.97, 1.04)"]
["infertility diagnosis"]
["  unexplained",null,0.721,"reference"]
["  male factor",0.098,0.682,"1.10 (0.69, 1.76)"]
["  female factor",0.216,0.327,"1.24 (0.81, 1.91)"]
["  combined",0.128,0.575,"1.14 (0.73, 1.78)"]
["fresh vs Frozen cycle",0.166,0.874,"1.18 (0.15, 9.31)"]
["fertilization method",0.09,0.458,"1.09 (0.86, 1.39)"]
["embryo stage at transfer","−0.056",0.776,"0.95 (0.64, 1.39)"]
["multiple pregnancy",0.102,0.391,"1.11 (0.88, 1.40)"]
["number of embryos transferred","−0.161",0.264,"0.85 (0.64, 1.13)"]
["preterm delivery",0.666,"<0.001","1.95 (1.54, 2.47)"]
["treatment"]
["  ultrashort protocol",null,0.711,"reference"]
["  Short protocol","−1.318",0.21,"0.27 (0.03, 2.10)"]
["  Long protocol","−1.370",0.181,"0.25 (0.03, 1.89)"]
["  ultralong protocol","−1.588",0.125,"0.20 (0.03, 1.55)"]
["  antagonist protocol","−1.431",0.163,"0.24 (0.03, 1.78)"]
["mild stimulation","−17.797",0.998,"0.00 (0.00, 0.00)"]
["  IVM protocol","−0.254",0.861,"0.78 (0.05, 13.33)"]
["  hormone replacement therapy (FET)","−1.357",0.35,"0.26 (0.01, 4.44)"]
["  natural cycle (FET)","−1.528",0.29,"0.22 (0.01, 3.68)"]
["  mild stimulation (FET)","−1.753",0.222,"0.17 (0.01, 2.88)"]
["constant","−3.818",0.11,"0.02 (0.00, 0.00)"]
["BMI, body mass index; CI, confidence interval; FET, frozen embryo transfer; IVM, in vitro maturation"]