The Prophet ﷺ performed liaan based on a pregnancy.
حدثنا وكيع حدثنا عباد بن منصور عن عكرمة
أن النبي ﷺ لاعن بالحمل
No references are available.
Its isnad is sahih. This is an abridgment of 2131, and see also 3107. We discussed this isnad in detail at 2131, and discussed one like it at 3316.