Could I Be Pregnant While Having Light Spotting After Taking Primolut N And I-Pill Following Unprotected Foreplay?

Sir / Madam, my periods are irregular, After taking Primolut n 2days 3 times , my periods were 14 to 20 feb 2021 , 21 feb me and my bf did unprotected intercourse , only foreplay They did not drop, but i have doubt for drop and i took ipill , after 10 days havily bleeding periods came 3 march to 9 march morning and after one month 9 april I thought my periods were getting late , i took again primolut n 2 days 3 times , during primolut n tab. i took urine pragnency test from early morning sample, it was negative , My period came after 6 days But it was spotting type light for 5 days 15 to 19 april 2021, Am i pregnant I am very scared, does not seem to have any symptoms of pregnancy, lockdown are here , I am not able to go outside .Please give brief solution to my problem.....