Relapsing MS occurs when symptoms show up from time to time. Gilenya is in a class of drugs known as sphingosine I-phosphate receptor modulators, which work by keeping immune cells in the lymph nodes, so they can't reach and damage the brain or spinal cord.elapsing MS occurs when symptoms show up from time to time. Gilenya is in a class of drugs known as sphingosine I-phosphate receptor modulators, which work by keeping immune cells in the lymph nodes, so they can't reach and damage the brain or spinal cord.
Answer: An ultrasound is the least invasive way to find out if you are having a boy or a girl. It is best done during the 18-22nd weeks of your pregnancy.
If you do not know your due date, you can use our Due Date Calculator to obtain an estimate. The 40 weeks of pregnancy is typically broken down into three periods, or trimesters, each consisting of about three months. Pregnancy can be detected via pregnancy tests, which detect your hormone level.