I find my spirituality changes. one week I am very spiritual while another time I may not be. My lifestyle is the same. Is it related to me because I’m a women? Why do I go through this loss of spirituality while I don’t feel like doing any mustahabat at all and just be lazy?

This happens to most people regardless of gender. Ask Allah to help you and strive to get in the habit of reading the benefits of salat and acts of worship.