A grade school and high school batch mate of mine requested something about obstetrical nursing. He's in the 3rd year of the program now and a second courser from the field of nautical studies. From the shipyard to the nurse's station, from sextants to syringes he deliberately change his career path. Anyway, I have here the mechanisms of labor or the cardinal movements of labor. I have taken some pictures of the movements from the internet and did some modifications and labeling to make it more understandable. I never had a clear overview on these movements during my college days. We were asked to memorize the process but memorizing does nothing good to you nurses. :D Comprehension is essential. In this way, you will be able to know what is the appropriate nursing intervention and management in the labor phase. My knowledge in OB is not exceptional but we're learning here. There are only a few questions on OB in the local board but its quiet tricky you know.
Click on the image.- Engagement: The baby is looking across the pelvis at one or other of the mother's hips.
- Descent: As the fetal head engages and descends, it assumes an occiput transverse position because that is the widest pelvic diameter available for the widest part of the fetal head.
- Flexion: While descending through the pelvis, the fetal head flexes so that the fetal chin is touching the fetal chest. This creates a smaller structure to pass through the maternal pelvis. When flexion occurs, the occipital (posterior) fontanel slides into the center of the birth canal and the anterior fontanel becomes more remote and difficult to feel. The fetal position remains occiput transverse.
- Internal Rotation: The fetal head rotates 90 degrees to the occipito-anterior so that the baby's face is towards the mother's rectum. In some cases, the occiput rotates anteriorly and the fetal head assumes an oblique orientation.
- Extension: The fetal head passes out of the birth canal. Its head is tilted backwards so that its forehead leads the way through the vagina.
- External Rotation Restitution: The shoulders repeat the corkscrew movements of the head, which can be seen in the final movements of the fetal head. The fetal head turns through 45 degrees to restore its normal relationship with the shoulders, which are still at an angle.
A grade school and high school batch mate of mine requested something about obstetrical nursing. He's in the 3rd year of the program now and a second courser from the field of nautical studies. From the shipyard to the nurse's station, from sextants to syringes he deliberately change his career path. Anyway, I have here the mechanisms of labor or the cardinal movements of labor. I have taken some pictures of the movements from the internet and did some modifications and labeling to make it more understandable. I never had a clear overview on these movements during my college days. We were asked to memorize the process but memorizing does nothing good to you nurses. :D Comprehension is essential. In this way, you will be able to know what is the appropriate nursing intervention and management in the labor phase. My knowledge in OB is not exceptional but we're learning here. There are only a few questions on OB in the local board but its quiet tricky you know. Click on the image.
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