Looking for pinard wisdom? Over the years, I have been repeatedly asked by student midwives for a reference to an article that gives basic information on how to use a Pinard to listen to a baby’s heartbeat. Either to supplement learning in practice, or because they are not being taught this skill.
My inability to find much written about this led me to decide to write something myself.
But rather than share only my own experiences, I asked a number of colleagues to share their experiences, tip and tricks as well. The original article containing our collated wisdom was first published in 2002, The original articles containing our collated wisdom were first published in 2002, so bear in mind, as always, that this is experiential knowledge, and that things change over time and in different areas of the world. But people search for these articles just as often today, so I have updated and republished them online. Part two is here.
While some midwives trained in a time when Pinards were the only real option, several of the midwives I talked with had had to teach themselves to use Pinards.
Their advice includes, “keep doing it, keep practising”.
Lots of midwives remember trying to use their Pinard for what seemed like months, without hearing anything, then suddenly it ‘clicked’.
These midwives understand it’s difficult for students:
“It needs lots of practice and in a busy clinic if you haven’t got a sympathetic midwife it’s hard to get started. It also involves lots of explanations to women about how you’ll quite likely not be able to hear anything!”
So Why Use a Pinard?
- To keep the skill so that when the batteries run out I can still function.
- To give me a bit of warning if I can’t hear anything, and start framing the words I’m going to use.
- To help confirm my palpation, especially hearing the O-P baby centrally and also very clearly far round to the side, and hearing a breech baby higher up.
- To show couples that you don’t need electronics, and go on to explain that a partner can hear the baby just by putting their ear over where the baby’s back is.
- To be able to check a very fast or very slow heartbeat on a monitor and make sure it’s not being doubled or halved.
- There’s a degree of satisfaction in finding the fetal heart with a Pinard
- When I worked on an antenatal ward, I used it regularly to reassure anxious women, or to listen in quickly when waiting for CTG’s to be free, and of course, locating the FH prior to attaching a monitor.
- A Pinard is better than Doppler as you are listening to the sound, not an echo, so you can hear different tones. You’re not just counting the beats of valves as they open and close.
Although some of the midwives pointed out that you can sometimes hear the fetal heart before 28 weeks with a Pinard, especially on a slim woman, most said that you shouldn’t expect to hear it until around this time. Some midwives remember not even thinking about listening to the fetal heart until the end of the second trimester, and being more reliant on signs such as quickening before the onset of routine Doppler use.
There was quite a debate over whether wood, plastic or metal Pinards were better. Several midwives somewhat reluctantly suggested that plastic or metal Pinards were better to use to learn on, as wood can absorb some of the sound. However, almost everybody felt wood was the better material once you had the hang of things, as it was more attractive, softer and warmer for women. Most of the midwives suggested you should own your own Pinard, so you could learn its resonance and idiosyncrasies and how it expressed different tones.
Five Steps to Pinard Success
- Palpate, palpate, palpate to ascertain the baby’s position. Ask the woman for her feelings on where the baby is too. Generally, you are aiming to hear the FH through the fetal back (remember that the baby’s lungs are not inflated).
- Use your knowledge and experience (or the table below) to see where the fetal heart might be for the different positions the baby might be in – and choose your ‘target point’.
- Place the Pinard in your chosen spot, put your ear to the ‘O’, take your hand away from the Pinard, and listen – and keep listening.
- Feel the maternal pulse at the same time and if it coincides you have the uterine vessels.
- If after careful listening you really can’t hear anything, repeat the palpation and try the Pinard in another spot.
More Practical Pinard Tips
- Make sure you’ve got your ear directly over the hole!
- Don’t press too hard or too softly – be prepared to alter the pressure.
- There needs to be gentle pressure indenting the abdomen – a bit less than a centimetre.
The second part of ‘Pinard Wisdom’ looks in more depth at the sounds you can expect to hear, practical tips for success, what to try if you can’t hear the heartbeat and some of the ‘advanced Pinard skills’.
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