A:
First,
this woman must
make Tawbah (repentance to Allah) for the sins she committed. Allah (Exalted be He) forgives those who make Tawbah. Allah (Exalted be He) says:
And He it is Who accepts repentance from His slaves, and forgives sins
Second,
it is obligatory for her
to pay a Diyah for intentionally killing her five-month-old son. The Diyah is to be given to the heirs of the baby and she is not entitled to receive anything from it.
Third,
it is obligatory for her
to pay the Diyah of the embryo that she killed one month before he was due to be born. The Diyah of the embryo is equal to one-tenth of the Diyah that can be paid to his mother. The Diyah is also given to the heirs of the embryo and she does not receive anything from it.May Allah grant us success. May peace and blessings be upon our Prophet Muhammad, his family, and Companions.