No, the Hebrew word is thigh, not womb, the verb is swell not miscarry. It is not saying anything that can be denoted as an abortion.
Even if we accept the words are womb and the baby does miscarry under this ritual, it is absolute nonsense argument that @true_believer is making that abortion was "permitted" in certain circumstances.
The goal was not have the baby miscarry but to test the veracity of the woman because there were no witnesses.
This classic case of reading into scripture what is not there.