I Have Sex With My Gf Last Month With Condom...

I have sex with my gf last month with condom... BT after sex I found that there was lekage in condom....so I gave her unwanted 72...before this pill she didn't take any contraceptive pill ever...her periods was also normal ....BT after taking pill...she got 3day period of light red liquid not get dark red blood with clots as always...this Monty we did unprotected sex...after 26 hours I gave her unwanted 72 to avoid pregnancy... this time she again get period in the form of light red li1liquid...BT 2 days late from period date....so plz I want to know that is this a pregnancy symptom...coz I read on internet that...light bleeding occurs in early pregnancy stages