title: Comparison of mild stimulation and conventional stimulation in ART outcome.
abstract: OBJECTIVE
  To provide a treatment for particular condition that is the most effective treatment with the least risk and cost for the patient we compared the efficacy of using clomiphene 100 mg + delayed low dose gonadotropin + flexible GnRH antagonist administration for ovarian stimulation protocol and GnRH agonist + gonadotropin for stimulation protocol in IVF outcome.
  
  
  METHODS
  Clinical outcome of 243 women with regularly menstruation who were candidate for IVF. They had undergone stimulation with GnRH agonist and gonadotropin (group A) or clomiphene citrate, gonadotropin and GnRH antagonist (group B). Main outcome was ongoing pregnancy.
  
  
  RESULTS
  There were no significant difference in mean age, cause of infertility, basal FSH, BMI, duration of infertility, endometrial thickness on the day HCG administration in two groups. The number of recovered oocytes, obtained embryos, transferred embryos, peak of estradiol on the day HCG administration and OHSS were significantly higher in group A. Significantly more patients in control group had embryos for cryopreservation. There were no significant difference in clinical pregnancy rate and ongoing pregnancy rate between two groups.
  
  
  CONCLUSIONS
  Clomiphene + delayed low dose gonadotropin + flexible GnRH - antagonist stimulation is an acceptable alternative protocol for IVF in patients with regularly menstruation.
authors.affiliation: Department of Obstetrics and Gynecology, Research and Clinical Center for Infertility, Shahid Sadoughi University of Medical Science, Bouali Ave., Safaieh, Yazd, Iran. prof_karimzade@yahoo.com
authors.forename: Mohammad Ali
authors.initials: MA
authors.lastname: Karimzadeh
authors.forename: Shahnaz
authors.initials: S
authors.lastname: Ahmadi
authors.forename: Homa
authors.initials: H
authors.lastname: Oskouian
authors.forename: Elham
authors.initials: E
authors.lastname: Rahmani
mesh_terms: D000328:Adult; D002996:Clomiphene / Q000008:administration & dosage; D005260:Female; D005300:Fertility Agents, Female / Q000008:administration & dosage*; D005307:Fertilization in Vitro; D007987:Gonadotropin-Releasing Hormone / Q000819:agonists / Q000037:antagonists & inhibitors; D006062:Gonadotropins / Q000008:administration & dosage*; D006801:Humans; D010062:Ovulation Induction / Q000379:methods*; D011247:Pregnancy; D018873:Pregnancy Rate; D011446:Prospective Studies
chemical_list: D005300:Fertility Agents, Female; D006062:Gonadotropins; D002996:Clomiphene; D007987:Gonadotropin-Releasing Hormone