Fetal Positions, Presentation, and Station
What is a Fetal Presentation vs. Position vs. Station?
Presentation: Fetal Presentation is the part of the fetus (head, buttocks) that enters the birth canal or "Presents to the World" first.
Fetal Position: There are many different letters (ROA, LOA) that can describe the position of the Fetus.
Here are the Steps I made up to determine the Fetal Position.
Note: These steps are also included in my OBMaternity or Ultimate Bundle.
Step 1: (R) or (L): is the presenting part on the right or left side of the maternal pelvis?
Step 2: (O), (S), (M), (Sc): what is the presenting part?
O: Occiput "Head First"
S: Sacrum "Buttocks/Feet First"
M: Mentum "Chin First"
Sc: Scapula "Shoulder First"
Step 3: (A), (P), or (T)
(A) anterior: is baby's back towards mom's belly?
(P) posterior: is baby's back towards mom's spine?
(T) transverse: is baby sideways?
Fetal Station: the relationship of the fetal presenting part (head, buttocks) to mom's ischial spines.
✅Positive: +1, +2, +3. Positive News that "Baby is Coming". Presenting part BELOW ischial spines.
❌Negative: 1, 2, 3. Negative News. Presenting part ABOVE ischial spines.
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