The floating fetal head in the primipara at term

Station in early labor in nulliparous women at term

“…Gabbe (3) writes that engagement often occurs before the onset of true labor, especially in nulliparas, but makes no predictions regarding birth outcomes. Several studies report that the incidence of fetal head engagement 2 weeks before term ranges from 45% to 75% and at the onset of labor from 91 % to 98% (4–6). In contrast, Stipp (7) published results of 44.8% engaged and 55.2% unengaged fetal heads at the onset of labor.…”