Actress Alyssa Milano ignited social media with a tweet Friday night calling for women to join her in a sex strike to protest strict abortion bans passed by Republican-controlled legislatures.

The former star of "Charmed" and current cast member of "Insatiable," which is filmed in Georgia, urged women in her tweet to stop having sex "until we get bodily autonomy back." Her tweet came days after Georgia became the fourth state in the U.S. this year to ban abortions once a fetal heartbeat is detected, which can be as early as six weeks, before many women know they are pregnant.

"We need to under...