Thanks for your query.
The thick egg white like consistency of the cervical mucus is normal after ovulation.
At present, there is no other option but to wait till she skips her period.
There are no symptoms which will reliably tell you whether she is pregnant right now or not.
The undue stress
would just freak you out and negatively impact her hormonal
Please wait until your wife skips her period by atleast a couple of days before taking a pregnancy