Increased risk for neural tube defect.

Hello ladies! Congratulations on your pregnancies. I have been experiencing some not so good news and I wanted your advice if you have any. Last Monday I had a appointment only to discover my amniotic fluid was low. I went to the hospital on Thursday and my levels have gone up. Friday I got a call and based on my results, my baby has an increased risk for neural tube defect. We have to go to Birmingham tomorrow and get more testing done. Just was curious if any one has experience this. Any advice will be greatly appreciated. I am 20 weeks today, and nervous and scared beyond my mind. Thank you ladies ☹️