Generally speaking, anti-abortion drugs are smooth muscle relaxants, which have little effect on the fetus, but there are also some side effects such as accelerated heartbeat and dyspnea, but the probability is very low. Therefore, pregnant mothers with signs of miscarriage or premature delivery should not worry too much about the correct use of anti-abortion drugs.
In any case, anti-abortion drugs must be used correctly under the guidance of doctors, especially injectable anti-abortion drugs.
As for whether the baby can be successfully protected after being protected, it depends on the specific situation. If the embryo quality is seriously poor, even if it is forced to protect the fetus, the later development will be more difficult and there will be more problems. However, if it is only threatened abortion caused by fatigue and emotional influence, the examination results are good, and targeted abortion can be achieved.