Hello and thanks for reading. :D Yes they have just announced a $1.67 million study 4 days ago. This should have been done a long time ago, along with a ton of other studies IMHO.
https://nypost.com/2021/09/07/nih-to-study-how-covid-19-vaccine-impacts-menstrual-cycle/
OK. Thanks for the information and link.
You are welcome... have a great day. :)