<p>Ella Al-Shamahi talks to two women in Pakistan and America who use numbers to help others understand and take control of their pregnancies - by unpacking the data.</p><p>Emily Oster is a bestselling author and leading expert on pregnancy, championing a data-based approach and unpacking studies and advice for mothers. She is also Professor of Economics at Brown University in America.</p><p>Maryam Mustafa is a computer scientist based in Pakistan, which has one of the worst rates of maternal mortality in the world. She has built an AI app that can equip mothers-to-be with the information they need to stay safe.</p><p>Producer: Hannah Sander</p><p>(Image: (L) Dr Emily Oster, credit Aisha McAdams. (R) Dr Maryam Mustafa, credit Maryam Mustafa.)</p>