This occurs as the fetal head descends into the pelvis.
As the head descends more deeply into the birth canal, it meets the resistance of the bony pelvis and of the slinglike pelvic floor, or diaphragm, which slopes downward, forward, and inward.
In our numerical model, the transition to the whole layer convection occurs when the cold plume's head descends to the layering boundary (Fig. 3).
There was significant thickening of the anterior and fundal myometrium during the second stage of labor after the fetal head descended to +3 station by digital examination (anterior, 12.99 ± 0.60 vs 5.8 ± 0.27 mm; t test, P <.001; fundus, 10.61 ± 1.63 vs 6.78 ± 0.32 mm; t test, P =.04).
After a few minutes, sirens sound in the distance and Pyramid Head descends the stairway and disappears.
Bryne and Edmonds [ 32] postulated that the purple line appeared due to increasing intrapelvic pressure as the fetal head descends causing vasocongestion in the basivertebral and intervertebral veins at the sacrum which along with a lack of subcutaneous tissue in this area resulted in the line of red or purple colouration; however the aetiology of the purple line is unknown.
As the lower part of your uterus softens and expands, the baby's head descends lower into your pelvis.
Detroit's music community is buzzing about a new dance club slated to open in April or early May-just in time for the flocks of techno heads descending on the city for Movement.
It was presided over by the CNN anchor Anderson Cooper, and the moment it ended, CNN's talking heads descended.
As we wait I go through the drill again in my head: "Descend on the line, stay upright to make yourself look bigger, tuck your hands in, stay away from the chum and if one gets too close, slap it in the gills".
