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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…

The postcoital test in WHO class II anovulatory women; useful or redundant?
a prospective follow up study

To determine the value of a post coital test in the basic fertility work up in WHO class II subfertile women ovulatory after clomiphene citrate (CC).

Impact of anti-tumor necrosis factor antibodies treatment on the semen quality of inflammatory bowel diseases patients

To study the influence of anti-TNF therapy on the semen quality of IBD patients

Does classic galactosemia affect male fertility?

Comparing fertilty of male galactosemia patients to a control group

OIL - BASED CONTRAST VERSUS WATER BASED CONTRAST MEDIA IN THE DIAGNOSIS OF TUBAL PATENCY AT HYSTEROSALPINGOGRAPHY

To determine whether flushing of the fallopian tubes is more effective with an oil based contrast medium or a water based contrast medium in terms of ongoing pregnancy.

A randomised controlled trial comparing in vitro maturation of oocytes with in vitro fertilisation in women with an increased risk of ovarian hyperstimulation syndrome.

Primary objective: To evaluate the cumulative live birth rate for two treatment strategies: 2 IVM/ICSI cycles versus 1 COH/IVF or COH/ICSI cycle.Secondary Objectives: To evaluate the health and development of IVM/ICSI children versus COH/IVF/ICSI…

Cryopreservation of prepubertal testicular tissue for future autologous transplantation of spermatogonial stem cells: preserving fertility in young boys with cancer

To preserve testicular tissue of young boys with cancer for possible autologous transplantation in the future if infertility has become apparent.

Cryo-thawed embryo transfer: natural versus artificial cycle. A non inferiority trial.

To compare live birth rates among patients receiving cryo thawed embryo transfer after endometrial preparation with estrogen/progesterone substitution and patients receiving cryo thawed embryo transfer in a natural cycle.

Sexual (dys-)function in female childhood cancer survivors

Objectives1. To assess the prevalence of sexual dysfunction in a Dutch cohort of female childhood cancer survivors.2. To assess the disease-associated risk factors for sexual dysfunction (type of treatment, age at treatment) in female childhood…