hey ladies I gotta question for y'all.... ik ur mucus plug can regenerate but after how many weeks…

hey ladies I gotta question for y'all.... ik ur mucus plug can regenerate but after how many weeks do you expect it not to??? earlier on in this pregnancy I would lose parts of it after sex... but 2days in a row I have lost parts of it without sex being involved it was prolly a qtr size both times..... with mii other two kids I never experienced thys so I have no idea what to think.... help!!! I dnt have another drs apt til the 25th but is it worth at least calling and asking about???