A week late

Ok so my little boy is nearly 10 months old and having him was a complete miracle after having cervical cancer. I have tried to track my periods to the best I can but although within a few days of each other I have never gone a week past my expected period start date. That is until now. My period was due one Friday last week meaning today I am a week late. Although lb is only young after being told I would find it hard to have kids my husband and I are not in the position to be able to try for another. I don’t want to get my hopes up and then be dashed. I didn’t have any pregnancy symptoms with my lb so not really expecting any of it happens again. Anyone else had experience of this and what I should do next. X