You can recite the Ksitigarbha Sutra.
Choose a name for the aborted child, a nickname is also acceptable. Recite the Ksitigarbha Sutra for the aborted child seven or forty-nine times. During the recitation, be careful not to eat meat, drink alcohol, steal, or be angry. Avoid lying and sexual immorality, focus on the scriptures when reciting, and keep a motherly heart in your heart.
It takes one and a half hours to recite the Ksitigarbha Sutra once, so please arrange your time accordingly. Some versions of the Ksitigarbha Sutra are divided into upper, middle and lower volumes, and some versions are divided into upper and lower volumes. Depending on the spare time, you can read them separately. Half an hour should be reserved for each of the upper, middle and lower volumes.