Is the marriage valid with a woman who committed Zina and then repented, but did not menstruate after the Zina due to her ignorance, knowing that there was no ejaculation during the Zina?

It is not permissible for a Muslim to reveal Allah’s covering of them by disclosing a sin they have committed, due to the Prophet's (peace be upon him) saying: "All of my Ummah are pardoned except for the Mujahirin (those who make their sins public)." Both the questioner's attempt to entice the woman into confessing to adultery and her informing him of it are wrong. Marrying a repentant adulteress is permissible after ensuring she is clear of the effects of adultery (istibra’). If the marriage took place before istibra’ but fulfilled the conditions of a valid marriage, it is considered valid. If a child is born more than six months after the marriage, the child is attributed to the husband. If the child is born in less than six months, the child is not attributed to him but to the mother. The questioner is advised to keep his wife, treat her kindly, and help her obey her Lord.