**Core Concept**
Childbirth trauma leading to urinary incontinence is influenced by the shape and dimensions of the female pelvis. The pelvic floor muscles and the urethral sphincter are affected by the delivery process, and the type of pelvis can impact the likelihood of urinary incontinence.

**Why the Correct Answer is Right**
Females with an android pelvis have a more heart-shaped pelvis with a narrower outlet and a more vertical sacrum. This type of pelvis is less accommodating to the fetal head during delivery, resulting in a higher risk of pelvic floor trauma and subsequent urinary incontinence. The android pelvis also has a higher incidence of pelvic organ prolapse due to the increased pressure on the pelvic floor muscles.

**Why Each Wrong Option is Incorrect**
**Option B:** Females with an anthropoid pelvis, also known as a "oval" pelvis, have a more spacious and accommodating outlet, which reduces the risk of pelvic floor trauma during delivery. This type of pelvis is associated with a lower risk of urinary incontinence.

**Option C:** Gynecoid pelvis is the most common type of pelvis and is characterized by a wide, round outlet. While it can still be associated with urinary incontinence, the risk is not as low as in females with an anthropoid pelvis. However, it is not the correct answer as it is not the type of pelvis with the least risk of urinary incontinence.

**Option D:** Platypelloid pelvis is a rare type of pelvis with a flat, wide outlet. While it can be associated with difficulties during delivery, the risk of urinary incontinence is not as low as in females with an android pelvis.

**Clinical Pearl / High-Yield Fact**
Females with an android pelvis are also at a higher risk of pelvic organ prolapse, which can lead to symptoms of urinary incontinence, pelvic pressure, and vaginal bulging.

**✓ Correct Answer: A. Android pelvis**