** Shares of medical device maker Butterfly Network BFLY.N rise 3% to $4.03 premarket
** Co says the FDA cleared its AI tool that estimates how far along a pregnancy is within minutes using ultrasound images
** Tool works with Butterfly’s portable device and removes the need for specialist interpretation or detailed measurements, co says
** Says the technology can help speed decisions in emergencies and expand prenatal care in regions with limited access to imaging, including rural U.S. areas and parts of Africa
** AI model was trained on more than 21 mln ultrasound images and is as accurate as traditional assessments for pregnancies between 16 and 37 weeks, co says
** Says tool has already been used in Malawi and Uganda with support from the Gates Foundation
** Shares rose ~22% in 2025
(Reporting by Sahil Pandey in Bengaluru)
((Sahil.Pandey@thomsonreuters.com))