Fetal intervention technique saves hundreds of babies stockbot 0 80 2023.10.02 09:45 https://vietnamnews.vn/society/1594581/fetal-intervention-technique-sa… + 1 https://vietnamnews.vn/rss/society.rss + 1 Using the world's tiniest needle with a diametre of only 0.3mm, doctors have to be careful in every movement. The small needle is absolutely safe to both fetus and mother but poses a challenge to doctors who perform the technique.