Possible Clues:

• Subjects of some health class diagrams
• Places to develop
• Places for babies
• Somewhat reflecting desire: tumescent organs
• Prenatal chambers
• Heartless remark I found in several organs
• Where we all set out in some up-to-the-minute rig-outs
• Hollow muscular organs in pelvic cavities of females
• Embryo enclosers
• Fetal incubators