The care home nurse said a doctor told her of the loss when she suffered heavy bleeding.
She said: "I was under so much stress and so many emotions."
Melissa was married to Meeks for eight years before he left her this summer. The two share a 7-year-old son, who his father has introduced to Green.
Melissa has undergone a makeover since the split - even undergoing vaginal rejuvenation surgery - and jetted to Green's native England to speak on chatshows.
She has filed for divorce from her husband, and insists he should be paying her spousal and child support.
Melissa stood by Meeks when he was jailed for 27 months for possession of a firearm and grand theft.
His mug shot went viral, and the blue-eyed, tattooed beefcake was branded the Hot Felon.
On his release he signed a modelling contract and landed spots in big-name fashion shows.
