The young slave girl: those who said istibra is a month and a half

Abu Qilabah said: For a slave woman who does not menstruate, the waiting period to establish freedom from pregnancy (istibra') is forty-five days.

Al-Hakam said: For a slave woman who does not menstruate, the istibra' is a month and a half.

Amir (al-Sha'bi) said: For a slave woman who does not menstruate, the istibra' is a month and a half.

Qatadah and Ata said: For a slave woman who does not menstruate, the istibra' is forty-five days.

Hammad said: For a slave woman who does not menstruate, the istibra' is forty-five days.

Sayyiduna Umar (may Allah be pleased with him) said: For a slave woman who does not menstruate, the istibra' is forty days.

Ibn al-Musayyib and Ibrahim said: For a slave woman who does not menstruate, the istibra' is a month and a half.

(Continuing the previous chain) and from Abu Ma'shar from Ibrahim; they (Ibn al-Musayyib and Ibrahim) both said: A month and a half.