Table 1 Transition in serum steroid hormone concentrations and follicular development during controlled ovarian stimulation

MC day

MC Day 3

MC Day 8

MC Day 11

MC Day 13

(rFSH administration)

(0 IU)

(1125 IU)

(1800 IU)

(2250 IU)

E₂

10^a

–

219

484

(pg/ml)

LH

0.1^a

–

0.1^a

0.1^a

(mIU/ml)

FSH

0.1

–

–

–

(mIU/ml)

P₄

–

–

1.05

2.09

(ng/ml)

Follicular diameter (mm)

NM

6–8

9–12

15–19

MC day

MC Day 3

MC Day 8

MC Day 10

MC Day 12

MC Day 15

(rFSH administration)

(0 IU)

(875 IU)

(1225 IU)

(1625 IU)

(2225 IU)

E₂

10^a

–

60

201

701

(pg/ml)

LH

0.1^a

–

0.1^a

0.1^a

0.1^a

(mIU/ml)

FSH

0.2

–

–

–

–

(mIU/ml)

P₄

–

–

0.40

0.53

2.11

(ng/ml)

Follicular diameter (mm)

6–8

6–8

10

13–15

14–22