What is an induction catheter?
Written by Dr. Specialist Stine Andreassen
Specialist in Gynecology and Obstetrics, PhD in Obstetrics in 2015 and more than 15 years of clinical practice in Obstetrics and Gynecology
An induction catheter is a medical device used to support cervical ripening as part of labor induction. The catheter is placed in the cervix by a trained healthcare professional and works by applying gentle mechanical pressure, which can help prepare the cervix for labor.
Induction catheters are commonly used in obstetric care when labor needs to be induced for medical reasons.
Why is labor induced?
Labor induction may be recommended when continuing the pregnancy is considered more risky than delivering the baby. Common reasons for labor induction may include:
Pregnancy continuing beyond the due date
High blood pressure during pregnancy
Diabetes during pregnancy
Concerns about fetal wellbeing
Rupture of membranes without the onset of labor
Other maternal or fetal health considerations
The decision to induce labor is always based on an individual clinical assessment.
How does an induction catheter work?
An induction catheter is inserted through the cervix and positioned by a healthcare professional. Once in place, the catheter applies gentle pressure to the cervix, which may stimulate natural processes involved in cervical ripening. The goal is to help the cervix soften, shorten, and begin to dilate in preparation for labor.
What is cervical ripening?
Cervical ripening refers to the changes that occur in the cervix before labor begins. A cervix that is preparing for labor becomes:
Softer
Shorter
More dilated
These changes can occur naturally or be supported through medical induction methods, including mechanical devices such as induction catheters.
When is an induction catheter used?
An induction catheter may be used when the cervix is not yet ready for labor and cervical ripening is needed before labor can progress. Mechanical induction methods are commonly used in maternity units and may be used alone or together with other induction methods, depending on the clinical situation.
Mechanical versus medical induction
Labor induction can be achieved using different methods. The choice of method depends on individual circumstances, clinical guidelines, and healthcare provider recommendations.
Mechanical methods
Mechanical methods use physical devices, such as induction catheters, to support cervical ripening.
Pharmacological methods
Pharmacological methods use medications that help prepare the cervix or stimulate uterine contractions.
Are induction catheters safe?
Induction catheters are widely used in obstetric practice and are considered an established method of cervical ripening when used by trained healthcare professionals.
As with all medical procedures, benefits and risks should be discussed with a healthcare provider before treatment.
Related resources
What is labor induction?
What are the early signs of labor?
Learn more about the Iola induction catheter
FAQ – Induction Catheter
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An induction catheter is used to support cervical ripening before labor induction. It helps prepare the cervix for labor by applying gentle mechanical pressure.
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No. An induction catheter is a mechanical device and does not contain medication.
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Yes. Depending on the clinical situation, an induction catheter may be used alone or in combination with other induction methods.
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The duration varies depending on local clinical protocols and individual response. A healthcare professional will determine when the catheter should be removed.
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Induction catheters are inserted by trained healthcare professionals, typically midwives or obstetricians, in a hospital or maternity care setting.