breastfeeding and period cycle

Zhané • 22. Wife. Mother of two boys. And Child of God🙏🏽
Hey ladies so I would love your feed back on this. 
My son is 10 months and I am still breastfeeding. I know that it delays your cycle which it has by a couple of days but it has now been a week. Is it something to be concerned about or just wait for it to come?