Full term.
Those priceless words that mean that baby is, or should be, ready to be born. You’ve spent almost 10 months getting bigger and more uncomfortable and the chances are you now have an elbow in your bladder and a foot under your lungs making everything worse. Everyone you speak to will have their own advice to give about things that can induce labour, some more successful than others, so we thought we’d try to see if there is any truth behind any of the methods.
Raspberry Leaf Tea
The science bit: (from Wikipedia)
Traditional lore suggests that pregnant women use raspberry leaf tea, especially as an aid in delivery. However, scientific research has found no evidence to support this claim. While there is no evidence that raspberry leaf tea can help bring on labor, its nutrients have been found to strengthen the uterine muscles which could make contractions more efficient. Scientific facts indicate that raspberry leaf tea is indeed a healthy drink but none of these facts can substantiate claims of raspberry tea inducing labor.
Every Woman’s Herbal claims that raspberry leaf tea will enrich the mother’s milk, especially during periods when the baby is going through a growth spurt.
There is considerable discussion around the possible benefits of raspberry leaf tea taken late in pregnancy. The consensus seems to be that while taking raspberry leaf tea should not be expected to bring the onset of labour forward, it might shorten the second stage of labour. Most of the evidence available is anecdotal, and a recent scholarly review stressed concern at the lack of evidence for safety and efficacy and called recommendations of its use “questionable”.
The real-life experience:
Aly from Plus 2.4 says “I used Raspberry leaf with all my pregnancies from 34 weeks, drinking in copious amounts a few days before they were due, moving, and walking a mile home started my first. Sex for my second, both first two babies came on their due date.”
Conclusion? Well, it seems to be a help rather than a full on kick-start to labour. Drinking it can’t hurt, just don’t expect miracles!
Scrubbing floors
The science bit: If we’re honest, we can’t find anything scientific to back this one up, the phrase ‘old wives tale’ is bandied about a lot when it comes to floor-scrubbing, but some people postulate it works because you put pressure on your pelvis because of being on all fours.
The real life experience:
Jenny from Cheetahs in my Shoes says “I couldn’t walk but was floor scrubbing as my DH was renovating his classic car and there was black gunk all over the place. It did me no good. I have cervix of steel too – induction took 6 days.”
Conclusion? Don’t get your scrubbing-brush out just yet…!
Castor oil
The science bit: Trusty ol’ Wikipedia again “The use of castor oil to induce labor is controversial. One study showed that women who receive castor oil have an increased likelihood of initiation of labor within 24 hours compared to women who receive no treatment( Following administration of castor oil, 30 of 52 women (57.7%) began active labor compared to 2 of 48 (4.2%) receiving no treatment). However, another study showed that castor oil had no effect on the time to birth in women whose pregnancy exceeds 40 weeks.
Castor oil, when ingested, triggers cramping in the bowel, making it an effective laxative. Thus, it is intended that such cramping extend to the uterus. In an overdue pregnancy in which the mother’s cervix is already effacing and partially dilated, this cramping can lead to labour contractions. The irregular, painful contractions of castor oil-induced labour can be stressful on the mother and foetus. It also leaves the labouring woman quite dehydrated as a result of the vomiting and diarrhoea which result when the recommended dose of castor oil for labour induction is taken—2 oz, or about 4 tbsp. This leaves her without access to the energy she could otherwise derive from food or drink throughout her labour process. Using castor oil for induction is not recommended without consulting a medical practitioner and is not recommended in a complex pregnancy.”
The real-life experience:
Mummy Barrow told me that a lady she knew “drank half a litre and when her son was born the next day he came out like a bar of soap, midwife nearly dropped him. But that could be a coincidence.”
Conclusion? Definitely seems to work but should be used with extreme care.
Sex
Now, the rumours here vary. Some say that straightforward sex is what you need to engage in, others say that it’s oral sex only you must imbibe the semen at the end for it to work. The latter sounds like a nasty rumour started by men, but who knows?!
The science bit: Two doctors have their say ”I tell my patients to do that all the time,” Harper says. Although there’s no proof sex can start labor, there is a good reason why it might. Harper says sex releases prostaglandins, hormone-like substances that are like the medications used to induce labor. And it won’t hurt to try!
“I think sex is a great idea,” Stein agrees. Make sure your water has not broken and your doctor or midwife has given you the green light. She adds that it’s important for the man to ejaculate inside the vagina. “This ejaculate contains prostaglandins which stimulate the cervix … possibly leading to contractions.”
In terms of fellatio: “As late as 1976, some doctors were advising women in the eighth and ninth months of pregnancy not to swallow semen lest it induce premature labour, even though it is now known to be safe.” however, it does appear to have a lot of other benefits: “
It has been suggested that fellatio may, through “immune modulation”, have a beneficial role in preventing dangerous complications during pregnancy, reducing specifically the risk ofmiscarriage and pre-eclampsia. Specifically, several research groups[26] have reported that pre-eclampsia, a life threatening complication that sometimes arises in pregnancy, is much less frequent in couples who have practiced oral sex, and even more rare in couples where fellatio regularly ended with a woman’s swallowing of her partner’s semen.
The results were statistically significant and are consistent with the fact that semen contains several agents that have important roles in the prevention of pre-eclampsia, which may arise out of an immunological condition.[25][27][28] According to that view, preeclampsia is caused by a failure of the mother to accept the fetus and placenta, which both contain “foreign” proteins from the father’s genes.
Regular exposure to the father’s semen helps cause immunological tolerance to their proteins. Other studies also found that, while any exposure to the partner’s sperm during sex appears to decrease the chances of various disorders, women in couples who have practiced “sex acts other than intercourse” are less than half as likely to suffer pre-eclampsia”
Real-life experience:
Kym from It’s All About Kym said “never worked for me. I was 6 days overdue and still went to 9 over and had to be induced but my cousins waters broke within a minute of having sex with her boyfriend! She was one day over her due date.
Mum in a Hurry said “ We tried it. Didn’t work though! I think I was at least due or maybe a week away. Both my kids were 10 days late.”
Finally, Jamillah from Bare Beginnings said “ashamed to say i pressured Rob into very nearly non-consensual sex when i was overdue with Seb, i cried and everything…” – well, deperate times call for desperate measures and all that!
Conclusion? Well, there’s science to back it up but the results are so varied, we couldn’t say a definite yes and it seems like a lot of bother when you’re that big and uncomfortable anyway!
Pineapple
The science bit: According to babycentre “Pineapple contains the enzyme bromelain which is thought to help soften your cervix and bring on labour. Eating large amounts will probably stimulate your tummy, which could also stimulate your uterus.”
I once asked a doctor to explain the pineapple thing to me and he said that this, as well as the thinking behind curries and castor oil, is that it can basically cause diarrhoea, which causes your bowels and lower intestines to spasm, which can trick your uterus into also contracting.
Real-life experience:
Ruth from DorkyMum said “I ate an entire pineapple and all it gave me was a sore mouth :(
“
Conclusion? Based on the lack of concrete science behind it and the subsequent lack of people flooding in and telling us how great pineapple worked for them, we’d give this a big fat thumbs down, especially if you’re suffering with gestational diabetes!
This post was inspired by the lovely Danielle at Blog by Baby who is desperate for her labour to get started so thank you to her and please, everyone send her lots of lovely cervix-softening, oxytocin laced thoughts!








Thank you for quoting me.It’s really interesting to read all the science and accounts, especially the semen one as I never realised it was fact based.It would be interesting to know, if there were any evidence of a woman receiving rather than giving had any basis to starting labour.
Please DO NOT use castor oil. It has a very strong link with fetal distress and meconium liquor during labour. It also causes bad stomach cramps, which make handling contractions much more difficult, plus causing diarrhoea. Strongly NOT recommended. As with all “remedies” it is advisable to discuss with a qualified professional before you try them xx
Hi Lorraine,
My wife took castor oil at term for all four of our pregnancies and all the boys came on her due dates, not the scans. There was no fetal distress, meconium, maternal sickness or anything else. It did not work with our daughter who was in a back to back position. I am a midwife myself now and I have been advised not to recommend castor oil for the same reasons you stated. However, when I have asked, no one has been able to show me the evidence.
I would be interested to read any if you would be kind enough to share it.Best Wishes,
Ian
Hi Ian, as you point out there is very little in the way of medical research on the benefit or otherwise regarding the use of castor oil. There is no research that “proves” it is unsafe. Whilst there is some evidence that it can increase uterine contactiltiy, there is no evidence as to what is an appropriate dosage. There is also insufficient evidence to demonstrate it’s safety either. The advice I give I freely admit is based on anecdotal evidence – passed to me by very experienced midwives who were my mentors when I trained, and who had practised at a time when castor oil was used more freely. Whilst in the absence of sufficient evidence to show its safety and with sufficient (albeit anecdotal) evidence to suggest a potential link to morbidity, I personally think it is reasonable to advise against its use, particularly without some kind of medical aupervision. Just because something is natural and readily available, it doesn’t make it appropriate to use. Evening Primrose oil is another self help remedy for labour that is beginning to have its safety and efficacy called into question too. Unfortunately I can’t find the link, but it raised some very interesting points about how we freely recommend such treatments without necessarily having sufficient confidence that they will do no harm, and without necessarily giving the women appropriate accompanying advice on what potential side effects they might experience as a result of taking such things. I’m afraid I can’t remember the link to the EPO blog right now, but there is an excellent blog on the use of castor oil here http://midmohomebirth.com/2007/12/03/castor-oil-during-pregnancy/
There is ongoing American research into castor oil usage with data currently in analysis, so should be expected to be published next year. Until we have sufficient evidence to base appropriate advice to women on dosage, safety and follow up, I think we have to rely on the wisdom and experience of Midwives who have lived and worked at a time when it was used more regularly. Equally if a woman is not in labour, then perhaps her baby and body are telling us something – if there is no medical indication to induce, then we should perhaps pay more attention to what the baby and the woman’s body are trying to tell us and try to be more patient.
Hi Lorraine,
An interesting read by I cannot say it is it has convinced me either way. I do agree there is too much intervention but that is down to the medical model of care that seems to be eroding all choice women have over their bodys. I believe thatr there is more that we do not know than that we do regarding pregnancy and birth. However with this risk aversion culture we have we tend to er (sp) on the side of caution. I firmly believe that if women are going to be induced, and many women request this, then its better to be at home with your husband than in a hospital.
Good Talk,
Ian
I totally agree Ian – it is a balance of risks and information giving so women can make hose choices for themselves, and decide what feels “right” for them. I know many women would prefer to find a natural induction method when faced with medical induction, but I think we do also need to asks the question why they are being induced in the first place – is it medical need following a holistic, individualised assessment of that woman and baby in that particular pregnancy, or is it purely based on an imperfect date calculation? At the end of the day it is her body, her baby, her birth and ultimately it is her decision. I think we also need to mindful that anything we do to start labour off is “artificial” – it is making the body do something that it is ultimately telling us it isn’t ready to do yet! And with that there is inherently risks attached, whether it be something “natural” or “medical”. And whether it not to take those particular risks is the woman’s decision, not ours xx