"i have only just switched to lutera after being on the depo shot for 5 years. i haven&#039;t gotten pregnant but have had a few other side effects i&#039;m not happy with. for instance, my first 2 periods (after not having one in 5 years) were easy, only lasting a few days and not too painful. the current one has been heavy and horribly uncomfortable. my back pain had me falling over at work."