After giving birth to your baby, you still need to expel the placenta or the structure that nourished your baby throughout their stay in your womb. Unfortunately, sometimes, the placenta (afterbirth) remains attached in the womb. This condition is called retained placenta and it can lead to serious complications and death. In some cases, almost all of the afterbirth is delivered, but some parts remain. These retained placental fragments may cause problems days, weeks, or months after getting out of the hospital. Here’s what you need to know about these instances.