title: Clinical trials of the ovulation method.
authors.affiliation: First Institute of Obstetrics and Gynecology, University La Sapienza, Rome, Italy.
authors.forename: G
authors.initials: G
authors.lastname: Benagiano
authors.forename: C
authors.initials: C
authors.lastname: Bastianelli
mesh_terms: D005193:Family Planning Services / Q000379:methods*; D005260:Female; D006801:Humans; D010060:Ovulation / Q000502:physiology*; D011247:Pregnancy; D011256:Pregnancy Outcome; D011275:Pregnancy, Unwanted