Labour Anatomy Video 1



there are many changes that happen throughout pregnancy and none of them should be discounted growing a baby takes a tremendous amount of energy and chocolate should be a reward for everyone jokes aside let's take a look at what happens on the inside of a body as the baby grows the uterus starts to stretch and the body starts to accommodate by shifting things around one of the first things that you may notice is that you have to urinate all the time as the weeks move along your small intestines begin to shift upward and out of the way the colon can experience some distension which can cause some constipation the stomach might shift which is often why many state that heartburn is common as the baby grows most about 97% tend to go head down our heads are heavier than our buttocks which is why walking and being active is important because it encourages the baby to get into the best possible position for delivery let's keep adding on to Anatomy this here is the spine and these bones are called vertebrae between the bones there are little cushions called intervertebral discs inside here is a spinal cord connects back to the brain where spinal fluid flows keep this in mind for later when we cover epidurals and spinals because this Anatomy is important this pink strip here that starts there and goes all the way over here is the uterus the uterus contains muscles and the muscles run in different directions and have different functions throughout gestation and labor if you really look at this picture the uterus looks like an inverted pear and the top is called a fundus your care provider is going to use to fund us as a landmark this is how you are measured for growth throughout your prenatal appointments the bottom portion of the uterus is attached to the cervix and inside the cervix there's a mucus plug the mucus plug is attached like a fingernail but eventually it will fall out this happen weeks before labor or on Labor Day but it means little in terms of gauging when labor will actually start this tissue here is your placenta which is attached to the uterine wall this organ provides oxygen and nutrients to the baby but it also removes waste the placenta is where the umbilical cord arises and attaches to the baby as you can see the baby is floating around in amniotic fluid which is actually clear and odorless this fluid is constantly being replenished or cleaned babies do have functioning kidneys fairly early on in gestation meaning that they can and do indeed urinate inside obviously replenishment and cleansing is important this here is your bladder and if you look just behind your bladder you will see the birth canal this is the space where your baby will travel to meet you and come earthside seeing is you have a better idea in terms of what Anatomy looks like on the inside let's take a look at what happens prior to contractions beginning there's a hormone called relaxin and relaxin tells the ligaments to get long and loose in the pelvis think of ligaments like a string they attach from bone to bone and the pelvis has lots of them these ligaments soften so the baby can come out there are two other hormones oxytocin and prostaglandin those hormones help soften the cervix just as a little experiment grab the top of your ear and give it a squeeze it feels relatively hard because there's cartilage inside now go to the bottom part of your ear where everyone generally gets pierced and give that a little squeeze and it feels soft early on in your pregnancy your cervix is hard just like the top of your ear and as you get closer and closer to delivery the cervix becomes soft and that's because of oxytocin and prostaglandin they tell the cervix to soften and become favourable so the baby can come and meet you your baby may begin moving lower into the pelvis and this is called engagement in medical terms it is called station and they measure this when you're in labor and delivery something else you might notice is the passage of the mucous plug some people lose this days and weeks before Labor and there's not until Labor Day so try not to worry about it too much but if you do see something in the toilet or something in your underpants that doesn't look normal if it's blood-tinged and mucus Li and kind of looks like a big booger that's what your mucus plug is so don't fret one thing the media loves to do is make it look really casual for women they're standing around hanging out with some friends or family and their water breaks but that really isn't all that common only between five and ten percent of people actually have their membranes ruptured prior to going into the labor and delivery one of the last things that you may notice are Braxton and Hicks Braxton and Hicks are contractions but it's not labor there's a difference Braxton and Hicks go away and general labor contractions don't Braxton Hicks feel like a tightening and a release and they can really be annoying especially because they come in the evenings or quite often that night when you're trying to sleep or rest however think of them positively in the sense that they're warming up your body Braxton and Hicks contractions get your BB and your cervix ready for labor the last thing we're going to discuss today is the role of the cervix the cervix does a lot of work prior to actually going into labor or on Labor Day everyone does this work at different stages and their body prepares a little bit differently we already know that the cervix starts to soften we know that the mucus plug lets go but there are three other things that happen initially it moves from a posterior position to an anterior position then the cervix starts to efface and become thin effacement is measured in a percentage a hundred percent effaced means as the cervix has been pulled up into the uterine wall as the cervix he faces it starts to become thin and by default this is dilation as well which is measured in centimeters from zero to ten congratulations you've finished your first video here's a list of the things that we've just covered and you should be able to speak to them relatively smoothly by now if not it's no biggie go back rewind and watch it again you have access for a full nine months just a reminder but in your workbook you have a fun dilation activity that you can do at home it's building a dilation chart with objects in your house so you can get a good physical idea in terms of what the cervix does during labor the amount of work that the uterus and the cervix do together is unbelievable imagine if your nostril or your eyeball could open up that much in such a short timeframe have some respect peeps it's awesome until next time bye-bye

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