I had an amniocentesis done exactly 15 weeks because my first trimester screen showed high risk for downs.
The doctor who did my test is the head of the department so I was more relieved. It was very quick, less than 30 seconds. I felt a sharp pain on my skin and then just cramps as he push the needle all the way to my uterus and the amniotic fluid. I tried to focus at the ultrasound screen all the time to make sure he doesnt poke my precious baby and keep my mind away from the doctor doing the procedure.
The doctor took about 30ml of amniotic fluid and we asked to have the FISH test (Additional fee $200) ( Fluorescence in-situ hybridization) so we can get the major test results right away in 1-2 days rather than waiting for 2 weeks. My test came back negative for any chromosomal problems and we were able to find the sex of our baby sooner since they do the sex chromosomes as well even if you can not see anything on the ultrasound yet
Thanks God! It was a relief. I was worried sick, crying the whole time before the test.
After the test, you will anticipate mild cramps and can take tylenol only. Better if you can take a 2 days off to relax and not lift any heavy objects, no sexual activity, no aspirin or ibuprofen and to watch for fever, severe cramps, amniotic leak and bleeding.
It wasnt that painful at all. Just go to a high risk maternity clinic who does this kind of procedure a lot and they know what they are doing. Goodluck!