Abbas bin Sahl reported on the authority of his father “The Prophet ﷺ said to Asim bin ‘Adl. Keep the woman with you till she begets the child.
Explanation & Benefits
Shaykh Umar Farooq Saeedi
Benefits and Issues:
It is understood that the woman was pregnant.
Thus, it is permissible to perform li'an even with a pregnant woman.
Source: Sunan Abu Dawood – Commentary by Shaykh Umar Farooq Saeedi, Page: 2246