Final answer:
A client complaining of pain or vaginal pressure and has a large amount of bright lochia with a firm uterus likely has a condition called postpartum hemorrhage.
Step-by-step explanation:
A client complaining of pain or vaginal pressure and has a large amount of bright lochia with a firm uterus likely has a condition called postpartum hemorrhage. Postpartum hemorrhage is defined as excessive bleeding from the birth canal after delivery, typically within the first 24 hours. It can be caused by a variety of factors, including retained placental tissue, uterine atony (lack of uterine muscle tone), or trauma to the birth canal or uterus.