DRUG
Prednisolone and Heparin during COH for IVF
Low Molecular Weight Heparin (LMWH) (Enoxaparin Sodium, Clexane, Sanofi-Aventis, Australia) at a dose of 1 mg/kg/day and 5 mg prednisolone p.os (Prezolon; Nycomed Hellas SA) were to be initiated on the first day of injections in both protocols until the pregnancy test. In cases of pregnancy, prednisolone and enoxaparin were to be continued up to the 12th and 34th week, respectively
DRUG
COH for IVF
Both GnRH agonists (long, starting at day 2 or 21) with Triptorelin acetate 0.1 mg (Gonapetpyl daily; Ferring, Kiel, Germany) and antagonists' with ganirelix 0.25 mg (Orgalutran; Organon, Oss, The Netherlands) or cetrorelix 0.25 mg (Cetrotide; Serono, Rome, Italy) protocols will be used; for ovarian stimulation both recombinant FSH (Puregon; Organon, Oss, Netherlands or Gonal F; Serono, Rome, Italy) and human menopausal gonadotrophin (Menopur; Ferring Pharmaceuticals, Langley, Berkshire, UK) will be used. Ovarian response will be monitored by ultrasonography, oocyte retrieval will be performed 36-38 hours after the hCG triggering and for luteal phase support 600 mg progesterone tablets (Utrogestan; Laboratoires Besins- Iscovesco, Paris, France) or gel 8% intravaginally (Vasclor; Verisfield Ltd, UK) will be applied.