What a wonderful test, so easy and helpful that it can be done at 9 weeks. I wish I knew about it sooner and had it at 9 weeks. I wish my results came right away and I could have saved the heartache of carrying a baby for 3 months that miscarried due to chromosome abnormalities. If I were to become pregnant again I would have this test right away at 9 months. I would recommend the test to anyone over 35.