Missed period. How much time do we have?

Hi, From the last three months , the dates of the periods were 8th october 8th november and 8th december but the person got intimated on followind dates : 19th .24th , 26th , 27th ,28th and 29th with unprotected intercourse . Somehow, she has missed her period that was meant to be on 8th of january but on 123th of january the pregnancy test was done . A fade line appeared in the first 2 min then after 5 minutes the test came out to be negative . Following 2 images are of the same test done . On the same day in mrng first urine We need advise whether this situation turns out to be in pregnancy or what could be the issue ?? And if she is pregnant what could be the other possible way to get it aborted ?? And how much time do we have ? We need advise in this , if any info can be provided or a appointment could be fixes , it would definitely help us .