![First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis. First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.](https://media-cldnry.s-nbcnews.com/image/upload/t_fit-1500w,f_auto,q_auto:best/newscms/2021_08/3452391/allyson-2x1.jpeg)
First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.
![First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis. First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.](https://media-cldnry.s-nbcnews.com/image/upload/newscms/2021_08/3452394/hospital_allyson.jpeg)
First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.
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Amazon.com: Yogalicious Ultra Soft Light Weight Maternity Leggings - Yoga Pants - Black - XS : Clothing, Shoes & Jewelry
![First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis. First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.](https://media-cldnry.s-nbcnews.com/image/upload/newscms/2021_08/3452392/allyson-1x1.jpeg)
First, she took on Nike. Now Olympic track star Allyson Felix wants to end the maternal health crisis.
![Nike admits to past 'performance-based payment reductions' for pregnant athletes prior to 2018 | Daily Mail Online Nike admits to past 'performance-based payment reductions' for pregnant athletes prior to 2018 | Daily Mail Online](https://i.dailymail.co.uk/1s/2019/05/14/06/13470064-0-image-a-85_1557812922026.jpg)