Mother Parasite 8

Over 1.2 million copies sold! I want Ryota to be the Kasai family's child. What was Sanae's true intention when she woke up and tried to give Ryota away?

Over 1.2 million copies sold! I want Ryota to be the Kasai family's child. What was Sanae's true intention when she woke up and tried to give Ryota away?