They're not "flip-flopping" or "softening" their positions, they're lying their asses off because they know that in even red states voters strongly support #TheFreedomToDecide.
Voters strongly support access to abortion, contraception, and IVF.
And voters are not going to vote for forced-birth candidates.
Every one of those Republicans are forced-birth candidates so they will lie their asses off.
How Republicans in Key Senate Races Are Flip-Flopping on Abortion
https://www.nytimes.com/2024/05/30/us/politics/republican-senate-races-abortion.html