Table 1.

LH and hCG content (immunoreactivity) of different urinary hMG preparations

Product	LH IU/vial (SD)	hCG IU/vial (SD)	LH/hCG ratio	Study
Pergonal	13.49 (3.6)	3.39 (1.7)	3.98	Wolfenson et al. [4]
Humegon	5.77 (1.0)	6.86 (1.8)	0.84	Wolfenson et al. [4]
Menopur	0.29 (5.2)	9.61 (2.3)	0.03	Wolfenson et al. [4]
Menopur	0.48 (1.7)	9.05 (3.3)	0.05	Wolfenson et al. [4]
Menopur	0.39 (3.1)	11.06 (1.8)	0.04	Wolfenson et al. [4]
Menopur	0.85 (0.18)	11.3 (1.0)	0.08	Giudice et al. [6]
Menopur	3 (range 2.7–5.3)	10 (range 9.9–11.2)	0.03	Van de Weijer et al. [5]

hCG human chorionic gonadotropin; IU international units; LH luteinising hormone; hMG human menopausal gonadotropin.