I saw few old episodes and I thinkt hat Pratigya WAS actually coming near Krishna. Especially after Honeymoon she was feeling little bit guilty for that night fight they had at their Honeymoon.
But then this preganancy Fiasco.....I remember Pratigya saying that "Why you always start something or the other to hurt me"..I could see from her face htat she meant "When ever I am trying to understand you you come up with another trick".....
I remember the night she took care of Krishna after his fight with Angad.
The day after when he was not waking up she was very scared adn she ran like anything calling the family.
She was looked very intenes and was trying to cope up with Krishna when he was leaving the house after that night with Angad. She wanted him to stay at home.
That point of time Pratigya was the closest to him....then The PREGNANCY happened.
Which I still don;t get why Krishna had to go ahead with it....What was he thinking. Was he thinking that if they lie it is going to turn into truth....whatever but that was wrong.
And this brought them away.....and then the slap.....but Praitgya did feel bad fro being thrown out of the house.....I could see in her eyes.
So I am sure if not preganacy they would have been on the right track