States are pushing to restrict the abortion medication, mifepristone, which is currently used in almost two third of abortions across the country.
Sen. Ted Cruz and other Republicans hope to weaken Democrats' advantage among women by talking about boys in girls sports instead of abortion.
Some conservatives say they are pleased voters have the option of protecting abortion rights while supporting Republican candidates.
The latest example came this week when the Republican presidential nominee said some abortion laws are “too tough” and would be “redone.”
Former President Donald Trump said anti-abortion supporters make up only "a very small percentage" of the country.
This is just part of their process of a death by a thousand cuts,” said the owner of a petition-circulator company.
Bob Casey Jr. entered the U.S. Senate 18 years ago as a pro-life Democrat opposed to same-sex marriage and resistant to new gun-control measures. He’s changed his position on all of those issues — most recently on abortion two years ago,
In Nebraska, the ballot includes competing measures: One would bar abortion after 12 weeks of pregnancy, with some exceptions, echoing the current ban but leaving open the possibility of tighter restrictions. The other would allow abortion until viability.
In Michigan, Ohio, Arizona and elsewhere, progressive court candidates are hoping that the abortion issue that helped conservatives remake the federal judiciary will work for them this time.
Ahead of his tight re-election fight, Cruz, a staunch anti-abortion zealot, has gone quiet on his opposition to reproductive rights.
Maryland is one of 10 states with abortion-related measures on the ballot in November, most of which would protect abortion rights.