Detestability of Conjugal Relation in Certain Times

2. A number of our people have narrated from Ahmad ibn Muhammad ibn Khalid from Bakr ibn Salih from Sulayman ibn Ja’far al- Ja’fariy who has said the following: “Abu al-Hassan, Alayhi al-Salam, has said, ‘One who goes to bed with his wife in the night of the end of a lunar month when the moon is not visible at all may not remain safe from (misfortune of) premature birth of the child.’”