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He said, „May Allah bless your night‟ and she conceived.

Months later, the Prophet, praise and peace be upon him, was on a
journey and they (Abu Talha and Umm Sulaim) were with him. It
was his (the Prophet‟s) custom to delay entering Medina by night
when returning from a journey. Just as they were approaching
Medina Umm Sulaim‟s contractions started. So Abu Talha stayed
behind with her and the Prophet, praise and peace be upon him,
continued. Abu Talha supplicated saying, „You know Lord, that I am
eager to go with the Prophet, praise and peace be upon him, when
he goes out, and to be with him on his return, now I am detained
here as You see.‟ Then Umm Sulaim told him, „Abu Talha, I no
longer feel the pain. Let us continue.‟ So they continued and she
gave birth to a boy upon their arrival in Medina. My mother (Umm
Sulaim) said to me, „Anas, no one should suckle the baby until after
we have taken him to the Prophet, praise and peace be upon him,
tomorrow.‟ Next morning I carried the baby to the Prophet, praise
and peace be upon him.”