Induction of labour

Understanding labour induction: What expectant mothers need to know

May 13, 2024
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Contributors
Monica Myron, MSN, RNC-OB
Certified nurse

Monica Myron, MSN, RNC-OB has spent more than 25 years supporting women and families through pregnancy, birth, and postpartum recovery. She writes practical, evidence-based content to help parents make informed decisions. Full profile →

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Jan Waclav, MD
Clinical & Medical Affairs Director

Physician and Clinical & Medical Affairs Director with 30+ years of experience in clinical research, medical affairs, and evidence-based healthcare. Jan is certified in Anesthesia and Intensive Care Medicine and has held senior medical leadership roles at MEDICEM Technology, SOTIO, GlaxoSmithKline, and AstraZeneca.

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Key takeaways

Labour induction may be recommended when it is safer for you or your baby to give birth sooner rather than wait for labour to start naturally. Depending on your circumstances, the process may include cervical ripening, the stimulation of contractions, or both.

  • Labour induction is a common medical procedure.
  • Post-term pregnancy (typically beyond 41 weeks) and certain medical conditions are among the most common reasons for labour induction.
  • Cervical ripening is often the first stage of induction.
  • Mechanical and hormonal methods can be used during induction.
  • Your healthcare provider will recommend the most appropriate approach for your pregnancy.

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Pregnancy is a journey filled with excitement, anticipation and curiosity, especially as you near the end. For some women, induction of labour is something that may come into play.  This guide aims to provide clear information about inducing labour, explaining its purposes, processes, and what you, as an expectant mother, can expect.

What is labour induction?

Labour induction is a medical intervention that artificially starts labour.  Occasionally this is needed because it is safer for you or your baby to deliver sooner than waiting for natural labour to begin.  Understanding a bit more about labour induction can take away some of the myths and better prepare you for what lies ahead.

Nowadays it is a common procedure; it is estimated that over 30% of pregnant women have their labour induced.  What is important, induction of labour gives a chance to complete a pregnancy by natural vaginal birth instead of by Caesarean section.

When is labour induction recommended?

There are many reasons to induce a labour, these are some of the more common:

  • Post-Term Pregnancy:  beyond 41st week.
  • Medical Conditions: Health concerns for the mother or baby, such as preeclampsia, diabetes, high blood pressure or baby´s growth restriction.
  • Premature rupture of membranes: The membranes have ruptured, but the labour has not started within a safe timeframe.

Two step approach to induction

Labour induction generally involves two key steps:

  • Cervical Ripening: The first essential step in induction is to prepare the cervix for labour. The cervix needs to be soft, thin, and dilated to allow the baby to pass through. This initial step of ripening can be achieved through mechanical or pharmacological methods. DILAPAN-S represents one of non-hormonal (mechanical) method. Some women natural ripen their cervix toward the end of pregnancy and do not require this step, however this is more common in women who have given birth before.
  • Initiating Contractions: Once the cervix is softened and ready, the next step is to start contractions. Contractions cause the cervix to continue to dilate and help move the baby down towards the birth canal during the labour process. During labour induction, contractions are usually stimulated with medications like oxytocin. In some cases, ripening of the cervix causes the mother’s body to release natural hormones and labour could start without the need for further intervention.

Labour induction can take a while from start to finish. Step 1, cervical ripening, can take between 12-24 hours before step two can even begin.  Once contractions initiation begins, this step can also take several hours until active labour is underway.  It is important to know this information so you can be prepared for the journey to childbirth.  

Managing uncertainty and anxiety

Induction of labour might be a source of concern as you head towards something new and unexplored. Do not worry; here are a few tips to ease the process.

  • Feeling anxious or uncertain about labour induction is natural. To manage these feelings:
  • Stay Informed: Knowledge about the process can alleviate fears.
  • Relaxation Techniques: Practices like deep breathing, gentle yoga or comforting music can help.
  • Support System: Having a partner, family member, or doula can provide emotional support and encouragement.
  • Open Communication: Always feel free to discuss any concerns with your healthcare provider.

Possible risks and complications

Like any medical procedure, labour induction, has the potential for unexpected risk or complications, such as overstimulation of contractions, changes in the baby's heart rate or the need for a C/section.  Your medical team will closely monitor you and your baby to manage any risks effectively.

Methods of labour induction

As mentioned above, labour induction can be a two-step process, step 1 is cervical ripening and step 2 is induction of labour. Some women only need 1 step and some need both. These steps can be achieved by two basic methods:    

  • Mechanical methods, including membrane sweeping, DILAPAN-S or balloon catheters.
  • Hormonal methods, including administering medication which contains artificial hormones, including prostaglandins and oxytocin.

Both mechanical and hormonal methods can be used for step 1.  In approximately 20-30% of women, the cervix is already ripened and in these cases, cervical ripening is not necessary, an oxytocin drip may be administered as the only step in labour induction to stimulate contractions.  

Introducing DILAPAN-S: A non-pharmacological approach

DILAPAN-S, a small cervical dilator made from a hygroscopic gel, offers a non-hormonal method for cervical ripening. The dilator, just a little bigger than a matchstick, is placed into the cervix, where it gradually absorbs fluid and gently expands. This results in both softening and opening of the cervix, preparing it for the next stage of labour.

Why choose DILAPAN-S?

DILAPAN-S is a hormone free product designed with safety in mind. It ensures a predictable and controlled approach to cervical ripening, while offering gentleness and comfort to women who are undergoing induction.

Conclusion

Labour induction, including the use of methods like DILAPAN-S for cervical ripening, is a common and often necessary part of the childbirth process. It's important to remember that every pregnancy and labour experience is unique, and your healthcare provider will guide you through the best course for your specific needs. Armed with this knowledge, you can approach the possibility of induction with confidence, prepared for the next exciting phase of your journey into motherhood.

Disclaimer: This blog post is for informational purposes only and should not be considered medical advice. Always consult with your healthcare provider to address your individual needs and concerns.

FAQs
What happens before labour induction begins?

Before labour induction, your healthcare team will assess your individual circumstances, including your baby’s wellbeing and the condition of your cervix. If the cervix is not yet ready for labour, cervical ripening may be recommended as the first step. This helps prepare the cervix for labour and may support a smoother induction process.

What methods are used for labour induction?

Labour induction can involve different approaches, including mechanical and hormonal methods. Mechanical methods help prepare the cervix physically, while hormonal methods use medication to encourage cervical ripening or contractions. The most appropriate method depends on individual pregnancy circumstances and clinical needs.

How long does labour induction usually take?

The length of labour induction varies from person to person and depends on factors such as the condition of the cervix and the induction method used. Labour may begin within hours for some women, while for others the process can take longer. Your healthcare team will monitor your progress and provide guidance throughout the process.

Contributors
Monica Myron, MSN, RNC-OB
Certified nurse

Monica Myron, MSN, RNC-OB has spent more than 25 years supporting women and families through pregnancy, birth, and postpartum recovery. She writes practical, evidence-based content to help parents make informed decisions. Full profile →

Show more
Jan Waclav, MD
Clinical & Medical Affairs Director

Physician and Clinical & Medical Affairs Director with 30+ years of experience in clinical research, medical affairs, and evidence-based healthcare. Jan is certified in Anesthesia and Intensive Care Medicine and has held senior medical leadership roles at MEDICEM Technology, SOTIO, GlaxoSmithKline, and AstraZeneca.

Show more
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