Enthusiastic Mil

How do I say no to MIL who is trying to find ways to come over to my house more than twice a week, staying over half the entire day, trying to help in taking care of my baby when clearly i dont need any help at all? For the past 2 years, my Mil has never come over to my house or care if we have homecooked food on wkdays after work. Ever since my delivery to a baby girl, mil has been overly concerned over my well being, hoping to bring food over as an excuse to come over so that she can take care of my baby. Noted of her good intention but her presence has caused some distress and inconvenience to me. Her consistent hugging of baby and peeping into my bedroom to check if my baby is awake resulted me unable to latch my baby on demand. Ended up we have to bottle feed baby as she wanted to take over the task. She even suggested both my hubby n i to exercise together instead of taking turn to workout on weekends. Reason; so that she can also come over to take care of baby when both of us is not around. I know it is a happy problem but I am tired of her always suggesting something to make us be away from our baby so that she has the chance to offer her help to take care of baby. And even suggested us to put baby in ifc for half day instead of full day. How do i tell her we dont need her help unless we really need? I feel like I am being force to accept her help and so tired always have to come out of an excuses to reject her.