- Practice highly realistic uterine involution assessments via a soft, durable and elastic postpartum torso. 1. Soft and elastic abdominal wall that permits highly realistic palpation to assess the degree of uterine involution and to measure fundal height. 2. Four interchangeable uterine inserts. Set includes: 1 puerperal lower torso / 1 set of uterine inserts (4 variations) / 1 talcum powder / 1 towel/ instruction manual