Okay, let's tackle this question. The question is about the type of pelvis associated with a higher incidence of 'face to pubis' delivery. First, I need to recall the different classifications of pelvis and their clinical implications.

I remember that pelvis types are categorized into four main types: gynecoid, android, anthropoid, and platypelloid. Each has distinct shapes and diameters that affect childbirth. The gynecoid pelvis is the most favorable for vaginal delivery because of its round shape and adequate diameters. The android pelvis is narrower, which might lead to cephalopelvic disproportion.

The 'face to pubis' position, also known as face presentation, occurs when the baby's face is the presenting part instead of the head. However, the question is about the pelvis type leading to this delivery position. Wait, maybe I'm mixing things up. 'Face to pubis' might refer to a specific fetal position during delivery. Alternatively, it could be a term related to the mechanism of delivery when there's cephalopelvic disproportion.

Wait, 'face to pubis' is a type of abnormal fetal position where the baby's face is directed towards the mother's pubic bone. This might occur when the pelvis is too narrow for the baby's head to engage properly. The android pelvis, which is heart-shaped and has a narrow transverse diameter, might contribute to this because the baby can't rotate properly. In such cases, the baby might present with the face instead of the occiput, leading to face presentation.

So the correct answer should be android pelvis. Let me verify. The android pelvis is associated with a higher risk of cephalopelvic disproportion and may lead to abnormal fetal positions like face presentation. The anthropoid pelvis is oval and may allow for easier delivery of a larger baby, but not necessarily face presentation. The platypelloid pelvis is flat and might lead to prolonged labor, but not specifically face presentation. Gynecoid is the ideal.

Therefore, the android pelvis (Option B) is the correct answer. The other options are incorrect for the reasons I mentioned. The clinical pearl here is that android pelvis is associated with increased face presentations and C-sections. Let me structure the explanation accordingly.

**Core Concept**
The question tests knowledge of pelvic morphology and its impact on fetal positioning during delivery. Android pelvis, characterized by a narrow transverse diameter and a heart-shaped brim, is associated with increased risk of abnormal fetal presentations like face presentation due to restricted space for fetal rotation.

**Why the Correct Answer is Right**
Android pelvis (Option B) has a narrow transverse diameter and a prominent ischial spines, limiting fetal head engagement and rotation. This leads to cephalopelvic disproportion and abnormal fetal positions, such as face to pubis (where the fetal face is directed toward the pubic bone). The restricted pelvic inlet prevents the fetal head from flexing adequately, resulting in persistent occiput posterior or face presentations.

**Why Each Wrong Option is Incorrect**
**Option A: Gynecoid pelvis** – The most favorable for vaginal delivery due to a wide, round inlet and adequate diameters, not associated with face presentations.
**Option C: Anthropoid pelvis** – Oval-shaped with a larger anteroposterior diameter;

✓ Correct Answer: B. Anthropoid pelvis