If the length is less than 25 mm it indicates a higher risk of preterm birth If the length is less than 15 mm it is clearly abnormal. We will discuss the situation with your doctor or midwife.
Who may be asked to have cervical length screening? Who is at higher risk of premature labour? Women who have had a previous premature delivery. Women who have had previous surgery on their cervix.
Women with an uncommon uterine shape. Women with a cervical suture. Women who have had a painless second trimester fetal loss. Women with multiple pregnancies may also benefit from cervical screening.
How do I arrange for cervical length screening ultrasound? Ultrasound Care provides cervical length screening for all women at their week ultrasound unless they advise us that they do not want this.
When you book in for your week ultrasound, please ask our team if you have any questions regarding cervical length screening. Our team provides this ultrasound at each of our 8 locations, so please choose a location that is most convenient to you. Quick Links. Request Appointment. Healthy Lifestyle Pregnancy week by week.
Products and services. Free E-newsletter Subscribe to Housecall Our general interest e-newsletter keeps you up to date on a wide variety of health topics. Sign up now. During pregnancy, what's the significance of cervical length? Show references Frequently asked questions.
Labor, delivery, and postpartum care FAQ Preterm labor and birth. American College of Obstetricians and Gynecologists. Accessed April 6, Conde-Agudelo A, et al. Vaginal progesterone to prevent preterm birth in pregnant women with a sonographic short cervix: Clinical and public health implications.
American Journal of Obstetrics and Gynecology. Berghella V. Cervical insufficiency. Norwitz ER. Transvaginal cervical cerclage. Practice Bulletin No. The bladder should be empty. There is no known risk to a transvaginal ultrasound assessment in pregnancy. Your obstetrician may consider modification of activity, bed rest, hospitalisation, medications or a cervical suture if cervical screening is abnormal. The specific intervention will depend upon your particular circumstance.
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