What is bregma?
The anterior fontanelle is also called bregma and it is located on the anterior part of fetal skull.it is diamond shape which is closed in 18 months of age .
What is occipital bone?
Fetal skull made by many bone which protects the brain of fetus.from those bones the occipital bone is one bone which is located posterior portion of fetal skull.
What is occipital protuberance?
It is raised area located middle of the occipital bone is called occipital protuberance.
Suboccipitobregmatic (9.5 cm)
It is the anterior posterior diameter of the fetal skull starting from the below the occipital protuberance to the bregmetic or anterior fontanelle of fetal skull.which diameter is 9.5 cm.