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Costs and effects of a structured lifestyle program in overweight and obese subfertile couples to prevent unnecessary treatment and improve reproductive outcome.;Titel follow-up:
- WOMB women - Preconception lifestyle intervention: does it affect long term female health?
- WOMB kids - Preconception lifestyle intervention: does it affect offspring*s health?

In view of this lack of evidence and strong practice variation we propose a randomized clinical trial in overweight and obese subfertile women, in which we compare the costs and effects of a six months structured lifestyle program, aimed at weight…

Towards a new technique for pre-implantation genetic embryo screening in IVF, pilot phase

The objective of this study is to evaluate a new and less invasive method of PGS. The new PGS technique will analyse a nucleus of a blastomere that was obtained by nuclear extraction rather than by biopsy of a whole blastomere.

Does endometrial scratching increase the rate of spontaneous conception in couples
with unexplained infertility and a good prognosis (Hunault >30%)?

To asses whether endometrial scratching increases live birth rates in couples with unexplained infertility and a good prognosis (Hunault>30%)?

Does endometrial scratching in women with implantation failure after a first IVF/ICSI cycle lead to lower costs due to a reduction in the number of subsequent IVF/ICSI cycles needed to achieve a live birth?

The primary objective is to test the hypothesis that endometrial scratching in the cycle preceding controlled ovarian stimulation in women with implantation failure (defined as failure to achieve an ongoing implantation after having completed a full…