Occurs only during pregnancy
Symptomatology is the result of compression of pelvic structures from enlarging<unk> 
Urinary Symptoms
Urinary retention is the most common presenting symptom.
Overflow incontinence
Urgency, frequency
Dysuria
Rectal symptoms
Constipation
Rectal pressure, tenesmus
Uncontrollable lower abdominal pain
Pelvic pain
Back pain
Vaginal Bleeding
Urinary retention is the most common presenting symptom.
Overflow incontinence
Urgency, frequency
Dysuria
Constipation
Rectal pressure, tenesmus
Posterior and/or fundal fibroids
Endometriosis, adhesive disease (prior surgery, peritonitis, PID)
Prior history of<unk> 
ACOG Recommendation: All women with second trimester urinary retention should have a pelvic exam performed at presentation to exclude an<unk>  retroverted<unk> 
Findings
Extremely anterior cervix
Cervix posterior to pubic symphysis
Acutely angled vaginal canal
Unable to palpate<unk>  through abdomen
Extremely anterior cervix
Cervix posterior to pubic symphysis
Acutely angled vaginal canal
Unable to palpate<unk>  through abdomen
Difficulty to identify cervix in 2nd and 3rd trimester
Cervix extends upward, superior to the bladder and pubic symphysis
Bladder will appear elongated and distended due to compression of<unk>
Incarcerated uterus
The same abdominal pain differential as non-pregnant patients, plus:
Vaginal foreign body
Ectopic pregnancy
Tubo-ovarian abscess
First trimester abortion
Testicular trauma
Complete abortion