Table 8 Odds Ratios [OR] and 95% Confidence Intervals [CI] of Deliveries

Technique of conception

(IVF-ET/Naturally)

4.10

1.78-9.42

0.0009

Age (y)

(25–30 /18-24 )

1.64

0.24-11.08

0.614

(31-39/18-24 )

1.27

0.21-7.57

0.79

(>40 /18-24 )

2.89

0.43-19.28

0.27

Number of children

One child versus no child)

0.66

0.26-1.71

0.40

(>2 children versus no child)

0.13

0.039-0.436

0.0009

Parity

(primiparous versus nulliparous)

0.70

0.267-1.82

0.46

(≥2 deliveries versus nulliparous)

0.16

0.05-0.49

0.001

Duration of Infertility (y)

(2–5 versus1y)

2.57

0.211-31.33

0.46

(6–10 versus1y)

5.00

0.348-71.90

0.24

IVF Center

(Abroad versus Cameroon)

1.92

0.585-6.31

0.28

Number of IVF trials

(2 trials versus1 trial)

1.36

0.37-5.07

0.65

(3 trials versus1trial)

1.17

0.23-5.81

0.85

(>4 trials versus 1 trial)

1.56

0.12-20.85

0.74

Gestational age at Delivery

(Preterm versus Term)

1.37

0.49-3.81

0.55

Hospital

(CDA versus DGH)

0.44

0.19- 1.05

0.0635