The mother frog-morph can be found in the Bog, with these options:
Chosing the Follow option results in you getting eggs planted in you.
Chosing the Resist option gives additional options
- Teach lesson
Teach lesson results in you being knocked out by a sonic wave, wake up a couple of hours later. Also losing some toughness on the way.
Questioning her gives you a bit of more information and allows for more options.
Both of which result in the champion carrying eggs.