Total

(n = 63)

Age ≤ 38 years

(n = 38)

Age > 38 years

(n = 25)

P

Gonadotrophin dose (IU)^*

4200

(3900 - 4500)

4200

(3000 - 4500)

4200

(3900 - 4800)

0.466

Oocytes retrieved^*

4 (3 - 6)

5 (4 - 7)

4 (3 - 5)

0.048

Cycle cancellation^**

3 (4.8)

1 (2.6)

2 (8)

0.557

Clinical pregnancy^**

10 (15.9)

7 (18.4)

3 (12)

0.726

Ongoing pregnancy rate beyond 20 weeks^**

9 (14.3)

7 (18.4)

2 (8)

0.297