Lets face it, having a baby can be on stress after another.  At first you might have trouble conceiving but then once you are expecting, you have a host of decisions to make.  One of those will be whether you take part in fetal screening.  

The problem is you will be part of a successive process.  You might be offered more test, which become more invasive and carry greater risk for mother and unborn child.  

Never be afraid to stop and ask yourself, what your decision will be if the tests are either positive or negative.  If you feel that no matter what you will continue with a pregnancy, do the test really need to happen?    

Its always best to take time to reflect, as some tests and procedures are riskier than others.  Just  make sure you ask for all the choices.