Birthing Stages Trainer - 3B

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Birthing Stages Trainer

The 3B Scientific Birthing Stages Trainer is ideal for  students in midwifery and obstetrics to practice correctly assessing the progress of the birth by palpating, using the birth stages trainer. The trainer consists of a set of 6 inserts that show the level of cervical dilation and effacing. The inserts look the same from the outside, but indicate, using a number code on the back, the condition of the cervix on the inside. The inserts can be used both as stand-alone trainers and as an extension module for birth simulator P90.

  • Insert no. 1: Cervix closed (0.5 cm), level -2
  • Insert no. 2: Cervix open 2 cm, level -2
  • Insert no. 3: Cervix open 3 cm, half effaced, level -2
  • Insert no. 4: Cervix open 5 cm, effaced, level -1
  • Insert no. 5: Cervix open 7 cm, effaced, level -1
  • Insert no. 6: Cervix open 9 cm, effaced, level 0


  • 6 birth stage inserts
  • Safety plate with 4 screws (for the optional insert in birth simulator P90)
  • Lubricant
  • Carry bag 
Short Description:
Ideal for Teaching Midwifery & Obstetric Students Correct Labor Progress
Includes 6 Cervical Inserts