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Chapter 2
36
FSH (IU/l)
Oestradiol (pmol/l)
Inhibin B (ng/l)
Inhibin A (ng/l)
Single
dominant follicle development
9
6
3
0
2,000
1,000
0
400
200
0
150
100
50
0
3
5
n = 16
7
9
cycle days
hCG
hCG-1/2
Multiple
dominant follicle development
9
6
3
0
2,000
1,000
150
100
50
CD 3 (n=4 vs n=9) CD 5 (n=3 vs n=10)
0
400
200
0
0
3
5
n = 24
7
9
cycle days
hCG
hCG-1/2
CD 7 (n=9 vs n=5)
Figure 2.4
Figure 2.4 Follicular phase FSH, oestradiol and inhibin B and A concentrations in 40 normo-ovula-
tory women receiving low daily doses of exogenous FSH, starting on either cycle day 3, 5 or 7. The
panels represent the subjects who developed single (left panels) or multiple (right panels) dominant
follicles (≥ 10 mm) on the day of hCG administration. The time scale on the x-axis is divided into cycle
days (day of onset menses = cycle day 1) and days prior to administration of hCG. Data are shown
as the mean values.