I used to hold that position, so I'll try to see if I can answer it for you. It's a position derived through emotion, formed out of empathy for other women.
While I was going through a miscarriage at a Roman Catholic hospital, I was required to sign a waiver allowing the hospital to place the child I was losing on an equal playing field with me to get treatment. Reproduction difficulties can be a life or death decision for the pregnant woman. *Some* on the pro-life side will try to ignore that. When baby & mother are equal, you're squarely on the side of life. When baby is more equal than the mother, you're forcing some women into a suicide pact. "Life of the mother" exclusions must be in place or the state is requiring some mothers to die for the beliefs of others.
It's the one issue on which I find most women completely irrational and unwilling to call murder what it is.
There are times when it is too strong to call all abortions "murder". Most are, but some are not. If you find yourself unable to give your life for your child, are you a murderer? I'm not talking about giving up the life you think you want to live. I was willing to give my life, but find it difficult to force the same on another.
<< There are times when it is too strong to call all abortions "murder". >>
Please elaborate. When is an abortion NOT a murder? Ending an ectopic pregnancy is not a surgical abortion, so don't go there.