Effect of Hypocaloric Diet and Exercise in Obese Women Who Are Subjected to IVF Cycle

Inclusion Criteria: * Women who want pregnancy. * Basal FSH levels ≤ 10 IU / l. * Infertility to justify treatment with IVF/ICSI. * Being included in a long protocol with GnRH agonist. * Presence of both ovaries and uterus able to support embryo implantation and pregnancy. * Body mass index (BMI) ≥ 30 kg/m2 and ≤ 35 kg/m2. * Absence of pregnancy before starting ovarian stimulation. * Having given their written consent. Exclusion Criteria: * Female age ≤ 18 years and ≥ 35 years. * Severe male factor not permit an IVF-ICSI with ejaculated sample. * Patients with low ovarian reserve (basal FSH levels ≥ 10 IU / l or lower antral follicle count to 6 follicles in both ovaries). * HIV seropositivity, HBV or HCV. * Clinically important disease. * Having frozen embryos from previous cycles of assisted reproduction. * Unexplained vaginal bleeding. * Poor response in previous IVF cycles with standard stimulation protocols * Any contraindication to become pregnant. * Known allergy to preparations of gonadotropins or its excipients. * High consumption of alcohol, drugs or psychotropic drugs. * Concurrent participation in another study. * Patients who have done previous cycles of IVF / ICSI without success