Single-center Prospective Cumulus Cell Test Study in rFSH Patients

Positive beta-hCG pregnancy as observed by serum analysis

This observation is routinely performed by the treating physician for every patient undergoing standard ART treatment and is thus available from the fertility center database

Time frame: 12-17 days after embryo transfer

Live birth by questionnaire

This observation is routinely performed by the study nurses of the fertility center for every patient undergoing standard ART treatment and is thus available from the fertility center database. This measurement does not include a scale, there is either a child born or not. The date of delivery and the gender of the child are asked together with eventual complications.

Time frame: at least 9 months after embryo transfer

Cumulative pregnancy by ultrasound (for pregnancy follow-up) and questionnaire (for live birth follow-up) (see outcome 1 and 3)

This is the compilation of the data gathered in outcome 1 and 3 for eventual consecutive cycles. This observation is routinely performed by the study nurses of the fertility center for every patient undergoing standard ART treatment and is thus available from the fertility center database

Time frame: 2 years after embryo transfer