Infertility
Conditions
Keywords
Assisted reproductive treatment, GnRH antagonist, Estrogen pre-treatment, Ovarian stimulation
Brief summary
The purpose of this study is to assess whether estrogen pre-treatment can allow retrieval of 2 additional oocytes in GnRH antagonist protocol.
Interventions
Pretreatment with 17beta-estradiol (Provames®, Aventis, Paris, France) was administered daily (2 mg twice a day) during the cycle preceding the IVF/ICSI cycle, starting 7 days before the predicted onset of menses and administered up until to the following Thursday after the occurrence of menses.
Sponsors
Study design
Eligibility
Inclusion criteria
* regular normo-ovulatory cycles (28 to 35 days) * age \< 38 years, * body mass index (BMI) between 18 and 30 * first or second IVF/ICSI attempt
Exclusion criteria
* high basal levels of serum FSH or E2, * less than 5 follicles at the antral follicular count performed on day 3 of a spontaneous cycle, * history of high (\>20 oocytes) or low (\< 5 oocytes) ovarian response in a previous IVF attempt
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| number of retrieved oocytes | at the ovarian puncture, 36 hours post HCG administration |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| pregnancy rate | at pregnancy test and at 6 Week US examination | — |
| delivery rate | 9 months later | — |
| number of obtained embryos | 2 days after in vitro fertilization | — |
| duration of FSH administration | at the end of ovarian stimulation usually after a mean of 12 days of administration | number of days of administration |
| Total FSH dose | at the end of ovarian stimulation usually after a mean of 12 days of administration | daily dose x number of days of administration |
Countries
France