Cone Biopsy and Pregnancy: What You Need to Know for a Safe Journey - Obstetrics and Gynecology

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Conical excision


Hello Doctor: Last year, an abnormality was found during a Pap smear, and the doctor recommended a cone biopsy for further treatment.
Subsequent follow-up examinations were normal.
I am now 10 weeks pregnant, and the doctor has advised that I need a cervical cerclage.
Could you please provide me with some reassuring advice?

Panghuang de mama, 30~39 year old female. Ask Date: 2007/10/02

Dr. Li Guanghan reply Obstetrics and Gynecology


I suggest you consult your attending physician about the benefits this surgery may bring and the potential risks involved.
If the benefits clearly outweigh the risks, you should be better able to make a decision.
May God bless you at Hsinchu Hospital, Department of Obstetrics and Gynecology.

Reply Date: 2007/10/02

More Info


When it comes to pregnancy after a cone biopsy, it’s understandable to have concerns about the implications for both your health and that of your baby. A cone biopsy, also known as conization, is a surgical procedure that removes a cone-shaped piece of tissue from the cervix for examination. This procedure is often performed when there are abnormal Pap smear results, and while it can be an effective treatment for cervical dysplasia, it can also lead to certain complications during pregnancy.

Firstly, it’s important to note that many women who have undergone a cone biopsy go on to have healthy pregnancies and deliveries. However, there are some considerations to keep in mind. One of the primary concerns is the risk of cervical incompetence, which can lead to premature birth. The cervix may not be able to support the weight of the pregnancy if too much tissue has been removed. This is why your doctor may recommend a cervical cerclage, which involves stitching the cervix closed to provide additional support during pregnancy.

The timing of the cerclage is crucial. It is generally placed between 12 and 14 weeks of gestation, but your healthcare provider will determine the best timing based on your individual circumstances. It’s essential to follow your doctor’s advice closely and attend all scheduled prenatal appointments. Regular monitoring will help ensure that both you and your baby are doing well.

In terms of safety, studies have shown that cervical cerclage is a relatively safe procedure and can significantly reduce the risk of preterm birth in women with a history of cervical surgery. However, as with any medical procedure, there are risks involved, including infection, bleeding, and premature rupture of membranes. Your healthcare provider will discuss these risks with you and help you weigh the benefits against them.

Additionally, it’s important to maintain a healthy lifestyle during your pregnancy. This includes eating a balanced diet, staying hydrated, avoiding smoking and alcohol, and managing stress. Regular prenatal care is vital, as it allows for early detection of any potential issues.

If you have any specific concerns or symptoms, such as unusual pain or bleeding, don’t hesitate to contact your healthcare provider. They can provide guidance tailored to your situation and help address any worries you may have.

In summary, while there are some risks associated with pregnancy after a cone biopsy, many women have successful pregnancies with proper care and monitoring. Following your doctor’s recommendations, including the potential placement of a cervical cerclage, can help ensure a safer pregnancy journey. Always communicate openly with your healthcare team, and don’t hesitate to ask questions or express concerns. Your health and the health of your baby are the top priorities, and with the right support, you can navigate this journey with confidence.

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