ʿUyūn akhbār al-Riḍā
Hadith 272272 - وَبِإِسْنادِهِ عَنْ عَلِيِ عَلَيْهِ السَّلامُ قالَ: نَهَىالنَّبِيُ صَلَّى اللهُ عَلَيْهِ وَآلِهِ: عَنْ وَطيِ الحُبالى حَتّى يَضَعنَ.
31-272 According to the same documentation, it is narrated that Ali (a.s.) said, “The Prophet (S) admonished men against making love with pregnant women until they deliver.”