Fig. 1From: Influence of human chorionic gonadotrophin during ovarian stimulation: an overviewStructural similarities and differences between FSH, hCG and LH [15]. CG, chorionic gonadotrophin; COOH, carboxylic acid; FSH, follicle-stimulating hormone; hCG, human chorionic gonadotrophin; LH, luteinising hormoneBack to article page