engagement /en·gage·ment/ (en-gāj´mint) the entrance of the fetal head or presenting part into the superior pelvic strait.
engagement
engagement
en·gage·ment ( n-g j m nt)n. The entrance of the fetal head or presenting part into the upper opening of the maternal pelvis. |
engagement
[engāj′mənt]
Etymology: Fr, a bonding
1 fixation of the presenting part of the fetus in the maternal true pelvis. The largest diameter of the presenting part is at or below the level of the ischial spines.
2 fixation of the fetal head in the maternal midpelvis with the biparietal diameter of the head level with the ischial spines.
engagement
Obstetrics The descent of the widest part of the presenting part of the baby's head through the pelvic inlet, which requires that the cervix is completely dilated; it is the first movement made by the baby's head during
L&D. See Labor & delivery.
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