Long axis &#x7C; Cervix externally palpable surface &#x7C; OB ultrasound
long axis &#x7c; cervix externally palpable surface &#x7c; ob ultrasound
Long axis &#x7C; Cervix externally palpable surface &#x7C; OB ultrasound
long axis &#x7c; cervix externally palpable surface &#x7c; ob ultrasound