Fetal position & pelvisFree in the app
Lie, presentation, attitude, position
The four words that describe the baby in the uterus.
Source: GLOWM · textbooksTerm
| Lie | Long axis of baby vs mother: longitudinal (>99% at term), transverse, oblique. |
|---|---|
| Presentation | Part over the pelvic inlet: cephalic (vertex, brow, face), breech, shoulder, compound. |
| Presenting part | The part felt lowest on vaginal examination. |
| Attitude | Flexion of head and limbs — normal is full flexion. |
| Position | Where the denominator points in the maternal pelvis (e.g. LOA). |
| Denominator | Reference point used to name position. |
A summary for trained clinicians. Always check the full guideline, the patient in front of you and your hospital's protocol. Spotted an error? Tell us.