No, what the hormonal medication does is to "rescue" those follicles that begin maturation but were going to degenerate and die. In a natural cycle only one egg matures completely, but with the medication the objective is that all those that begin maturation finish it.
Read the full article on: Ovarian stimulation protocols – process, medications and symptoms ( 84).

Sara Salgado
B.Sc., M.Sc.
Embryologist
Degree in Biochemistry and Molecular Biology from the University of the Basque Country (UPV/EHU). Master's Degree in Human Assisted Reproduction from the Complutense University of Madrid (UCM). Certificate of University Expert in Genetic Diagnosis Techniques from the University of Valencia (UV).