You are misinformed. People opposed to non-therapeutic circumcision of boys do not all agree about abortion, homosexuality, or any other issue.
Some opponents of non-therapeutic circumcision are strongly pro-life and some are strongly pro-choice. Like most Americans, most opponents of non-therapeutic circumcision have a point of view on abortion somewhere in between the two extremes.
Opponents of non-therapeutic circumcision of boys also have varing attitudes regarding homosexuality.