“I was trying to develop a way for women to monitor their own fertility at home,” she told me, and “those kinds of diagnostic tests require a lot of blood. So I was thinking about women and blood. When you put those words together, it becomes obvious. We have an opportunity every single month to collect blood from women, without needles.”
Also worth reading is this Harvard Gazette article about Tariyal and Gire.
(image taken from the NextGen Jane website)