Hadith 10:597
Abu Bakr narrated to us, he said: Abbad bin al-Awwam narrated to us, from Hajjaj, from Ata, who said: If she embraces Islam while she is in the waiting period (iddah), then she is his wife.
حدثنا أبو بكر قال نا عباد بن العوام عن حجاج عن عطاء قال إذا أسلم وهي في العدة فهي امرأته