Majma al-Zawaid 11806 — What is written for a servant in his mother's

Sayyiduna Jabir (may Allah be pleased with him) narrates: The Prophet (peace and blessings be upon him) said: "When the sperm-drop has remained settled in the womb for forty days and forty nights, Allah Almighty sends an angel to it. That angel says: O my Lord! When will its death come? And he is told. Then he says: O my Lord! Will it be male or female? And he is told. He says: O my Lord! Will it be wretched or fortunate? And he is told."
Ahmad recorded it; its chain contains Khusayf, whom Yahya bin Ma'in and a group declared thiqah (trustworthy), and there is disagreement about him; the rest of its narrators are thiqat (trustworthy).