9 results
To study whether there is an individual setpoint for the hypothalamus-pituitary-gonad axis in men
The objective of this observational study is the safe introduction of clinical applied IVM in The Netherlands. During this study, the number and quality of the oocytes and embryos will be studied as well as pregnancy development. Emphasis will be on…
The hypothesis is that women who have the Ser680Ser (SS) variant of the FSH receptor genotype, in comparison with women with the Ser680Asn (NS) or Asn680Asn (NN) variant, are less sensitive to FSH and because of that need higher dosages of FSH when…
The main objective of this prospective population based cohort study of patients with KD in the Netherlands and Flemish part of Belgium is to perform multiple tests (i.e. clinical and blood) and genomic profiling to discover possible biomarkers for…
The overall aim of this study is to examine, in adult female CCS in the Netherlands, the effects of treatment in general, and the effects of different types of treatment, doses of drugs, radiation sites and doses, and age at time of treatment, on: 1…
to study the effect of estradiolapplication on gonadotropin relaese in young and older men in the abscense of circulating testosterone.
To explore the relationship between hormone levels and HRQoL in patients with TS and KS.
1. Evaluation of the variation of semen characteristics in the general population2. Evaluation of the variance of testosterone levels in the general population
Primary Objective: To determine the effect of sex hormones on bone marrow fat. and visceral fatSecondary Objective(s): * To determine the effect of sex hormones on visceral and liver fat.* To test whether DXA can be used to calculate the amount of…