
10/02/2025
Can you see that bony part at her lower back? It’s called the Rhombus of Michaelis.
The caption below sums it up beautifully, especially noting that it is *the woman’s body actively bringing baby down*.
As in, our bodies ALREADY know what to do! 😁
It is also another way a midwife can see how far along you are without vaginal examinations.
So definitely worth knowing about!
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"The Rhombus of Michaelis… the normal part of physiological second stage- when you see the bony structure move backwards with an increase in the diameter of the pelvis, her body works to give maximum space to baby. The momentary glimpse of what is to come, birth is close, and her body is actively working to bring her baby down and out."⠀⠀⠀⠀⠀⠀⠀⠀⠀
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Doula in this image kindly quoted this and linked me to a great article explaining the triangular bump on the Mom's lower back! https://birthworks.org/the-rhombus-of-michaelis/