Mystery Pregnancy

She starved her husband for many months, from having sex with her. She had lost her baby, after going through the knife to bring him forth to the world, so she is determined not to go down that lane again. She blames every one for her predicament, but months later, she discovers she is with child. How then did she get pregnant? She suspects her Husband must have raped her, but he didn't, and he sent her packing. She suspects her ex, whom she recently reunited with, but also, he didn't. But her ex was willing to help her solve the mystery. Find out, how she got pregnant.