Control Group A (sperm donators & fertile partners of infertile woman)
|
- Direct access to the subject (face to face recruitment & blood sampling)
|
- Older than cases/difficult to recruit subjects below 25 years old
|
- More concerned by the topic/good participation rate
|
- Live with infertile woman/more exposed to reproductive toxicant than general population?
|
- Sperm count available
|
- Regional recruitment
|
Control Group B (partners of pregnant woman hospitalized for pathological pregnancy)
|
- Same age group than cases
|
- More difficult to approach (visit during evening/week-end)
|
- Direct access to the subject (face to face recruitment & blood sampling)
|
- Presumably fecund
|
- No available serologies (need to store blood samples in separate areas)
|
- Regional recruitment
|
- Link between subjects’ exposures partners’ pathological pregnancy?
|
|
- Large population/easy to match with cases
|