WebMar 1, 2024 · Flexion: While descending through the pelvis, the fetal head flexes so that the fetal chin approximates to the fetal chest.This functionally presents smaller diameters to … WebFeb 6, 2024 · Fetal Lie The relation of the fetal long axis to that of the mother is termed fetal lie and is either longitudinal or transverse. Occasionally, the fetal and the maternal axes may cross at a 45-degree angle, forming an oblique lie. ... and (4) extension and straightening of the fetal body. Flexion. As soon as the descending head meets ...
Malpositions and malpresentations of the fetal head
WebJan 24, 2024 · Flexion. As the fetal vertex descents, it encounters resistance from the bony pelvis or the soft tissues of the pelvic floor, resulting in passive flexion of the fetal occiput. The chin is brought into contact with the fetal thorax, and the presenting diameter changes from occipitofrontal (11.0 cm) to suboccipitobregmatic (9.5 cm) for optimal ... WebIdeally for labor, the baby is positioned head-down, facing your back, with the chin tucked to its chest and the back of the head ready to enter the pelvis. This is called cephalic presentation. Most babies settle into this position with the 32nd and 36th week of pregnancy. Other fetal positions for birth include different types of breech (feet ... smooth black rock
Flexion point - Wikipedia
Webflexion [flek´shun] 1. the act of bending or the condition of being bent. 2. in obstetrics, the normal bending forward of the head of the fetus in the uterus or birth canal so that the chin rests on the chest, thereby presenting the smallest diameter of the vertex. plantar flexion bending of the toes or foot downwards toward the sole. Miller-Keane ... WebThe normal fetal attitude when labor begins is with all joints in flexion. Lie : This refers to the longitudinal axis of the fetus in relation to the mother's longitudinal axis (i.e., transverse, oblique, or longitudinal (parallel). … WebMar 1, 2024 · Descent: As the fetal head engages and descends, it assumes an OT position; this facilitates the widest pelvic diameter available for the widest part of the fetal head (Figure 5). Flexion: While descending through the pelvis, the fetal head flexes so that the fetal chin approximates to the fetal chest. This functionally presents smaller ... riverwalkingsticks.com