This is called the dating scan. When will I get the results? The results of an argon-argon dating analysis are usually presented as an age range. The chances of having a baby with a chromosomal abnormality are greater the older you are when you get pregnant. This is best done at 10 weeks, some two weeks prior to the NT scan but it can also be done just before or on the same day as the NT scan. What does the procedure involve, do I need to do anything on the day? Finally, it's important to practice safe sex and take steps to protect your physical and emotional health while engaging in extramarital affairs. The extra fluid at the back of the head and neck usually disappears by 18 weeks. It can help you get to know each other and decide if the relationship is worth pursuing. Madison dating app takes safety and security seriously.