N

Percentage (%)

Aetiology for infertility

Male factor

Tubal factor

Unexplained

Endometriosis

Polycystic ovarian syndrome

24

12

8

5

1

48

24

16

10

2

Early follicular phase FSH level (IU/L)

<5

5 - 10

10.1 - 15

>15

5

35

8

2

10

70

16

4

Parity

Never pregnant

Previous live birth

Previous miscarriage/ectopic

Previous stillbirth

31

10

8

1

62

20

16

2