Skip to main content

Table 3 Treatment outcome parameters

From: Cycle scheduling for in vitro fertilization with oral contraceptive pills versus oral estradiol valerate: a randomized, controlled trial

Parameters

OCP

E2

Risk difference (%) (95% CI)

P value

 

(n = 50)

(n = 50)

  

Implantation rate a

43.5% (30/69)

47.4% (27/57)

3.9

0.79

(-13.4 to 21.1)

Pregnancy rate per cycle

56.0% (28/50)

52.0% (26/50)

-4.0

0.84

(-23.1 to 15.4)

Clinical pregnancy rate per cycle

50.0% (25/50)

48.0% (24/50)

-2.0

0.99

(-21.3 to 17.4)

Early clinical miscarriage b rate per pregnancy

7.1% (2/28)

7.7% (2/26)

0.6

0.66

(-16.4 to 18.3)

Ongoing pregnancy rate per cycle

46.0% (23/50)

44.0% (22/50)

-2.0

0.99

(-21.2 to 17.3)

Live birth rate per cycle

42.0% (21/50)

40.0% (20/50)

-2.0

0.99

   

(-21.0 to 17.1)

 
  1. aImplantation rate is the number of intrauterine sacs with heartbeat / number of transferred embryos.
  2. bClinical pregnancies with miscarriage at <12 weeks of gestation.
  3. CI confidence interval.