White/clear discharge that is sticky is NOT a sign of pregnancy.
It is completely normal for this to come out of females all the time, especially when sexually aroused.
If she hasn't missed her period yet then don't worry, many women get discharge between ovulation and her period is due. Around ovulation it'll be creamy then it'll change once the ovulation stage is over sorry for tmi. Wait a few days after her missed period before testing, she can of course start testing on the day of her period but it might not show up for a few days if she is. I don't think you've got anything to worry about at the moment as she hasn't missed her period. Good luck
dont worry if she hasnt missed her period this isnt a sign of pregnancy But if shes experiencing other things like nausea abdominal pain and had unprotected sex around hr fertile time she might b. she can start testing at 10dpo many high quality tests like ept, clear blue detect a faint positive or sometimes a clear positive if she was. Good luck!