Is there any consequence for me believing I had purified on the sixth day and performing Umrah, then a little blood descended, and on the seventh day performing another Umrah and blood descended thereafter?

If a woman sees purity by one of its two signs and performs ghusl (definition), then performs Umrah (definition), her Umrah is valid, because purity between two blood flows is a valid state of purity. However, if she circumambulates while blood is flowing, her circumambulation is not considered valid, based on the Prophet, peace and blessings be upon him, who said: "Do what a pilgrim does, except do not circumambulate the House until you become pure." In this case, she must intend to go to Mecca to perform the circumambulation and the striving (sa'i) to complete her Umrah. What she did in terms of prohibitions during that time is pardoned due to ignorance, based on the words of Allah Almighty: "And there is no blame upon you for that in which you have erred, but [only for] what your hearts intended." Doubt about the time of the return of menstrual blood does not affect the validity of the circumambulation, because the default is the continuation of purity until certainty of the opposite is attained.