Question 1663) - How do they overlap?

A: Whatever blood she sees will be of both Iddah together. When the first Iddah finishes and the second is not complete then she will complete what remains of the second. *

* If he had sex with her after the menses of the first period then she must still complete two menses of the first Iddah. These two will be counted towards the second lddah as well. When she completes the next menses then the second Iddah is complete as well.

~ al-Quduri ~