How to Calculate Your Due Date From Your Pregnancy Calendar

If you’ve just found out you’re pregnant, you’ll no doubt want to learn your due date straight away. Luckily, there’s a few easy ways to calculate your due date. Once you know your due date, you’ll be able to create your week-by-week pregnancy calendar and track the progress of your baby. Read on for how to quickly calculate your due date.

The best due date calculator is to count 40 weeks from the first day of your last menstrual period (which you’ll often see referred to as LMP).

This is how your doctor will calculate your due date, so it’s a pretty accurate target date.

Another easy way to calculate your due date is the Naegael’s Rule: simply subtract three months from your LMP, add seven days, plus a whole year.

It is important to remember that only five percent of all women actually go on to deliver on their due date. It’s entirely normal to deliver a week to two weeks before or after your target due date.

When trying to conceive, most women keep records of their last menstrual period, ovulation dates and potential time of conception. Having this information documented will make due date calculation that much simpler.Once you have your due date, you can create your week-by-week pregnancy calendar, and together with your doctor, map out the next nine months. This will help you understand the changes in your body and health, and your baby’s development.

A 40-week pregnancy is broken down into three trimesters. Weeks 1-13 are the first trimester, weeks 14-26 the second trimester, and weeks 27-40 the third trimester.

Take the time to write down anything you can think of to get an accurate pregnancy calendar which will help during your regular doctor visits.

How close were you to your due date?

Why You Need a Pregnancy Calendar

Planning your pregnancy? Some of your friends may have mentioned a pregnancy calendar, and you’ve scoffed at them assuming it was just a trend of the week. But we’ll show you why this type of calendar really is a smart idea.

Knowing your cycle
If you’ve decided to dive head first into trying to conceive, but don’t know where you are in your cycle, then it’s time to get out your calendar and mark some dates. The first thing to do in your pregnancy calendar is note the date of your last period. If you’re not sure of the date, you will probably have to wait for your next period to ensure that you are on track. Once you know the start and end dates, you can mark those down on your calendar to get started.

Meeting with your OB-GYN
When you go to meet with your gynecologist, bring your pregnancy calendar. Although plenty of information about ovulation and conception is available on the internet, speaking with your doctor is always a better idea. By bringing your calendar, your doctor can help you to start crafting a plan toward conception, and then, your pregnancy timeline. Your doctor will be able to help you figure out when ovulation happens within your body and when the optimal time for conception might be. Then, you’ll know when to try to conceive.

Knowing your due date
Wouldn’t you like to know your due date as soon as possible? By looking at your calendar, your doctors can give you a due date. Remember, mark down the dates on which you had sex so that you can estimate when the baby was actually conceived.

Tracking the trimesters
Your doctor will tell you when your trimesters are. But there is something special about tracking this information on your own. Once you find out all of the information from your doctor, you can mark down when the second and third trimesters of pregnancy are beginning. By reading up on information and speaking with your doctor, you can also mark down the milestones that your baby is reaching by the weeks. Use your calendar to mark down changes in your body and emotions, and it will become a precious keepsake.

Creating a sense of anticipation
Having a pregnancy calendar allows you to keep track of important information and dates, but it also allows you to build up a sense of excitement. You can mark off the days until your little one arrives. You might even want to note the number of days or weeks that are left till your due date.

Did you have a pregnancy calendar? 

What to Expect on Your Pregnancy Calendar

Most women have a huge amount of questions after becoming pregnant. It can be difficult to accurately understand what is expected to occur in each trimester and throughout the nine months until delivering your baby. You may be wondering what symptoms to expect on a typical pregnancy calendar. Each pregnancy includes three trimesters, which involve different growth spurts for the baby as well as different symptoms that you’ll likely be experiencing.

First Trimester
The first trimester of your pregnancy consists of the first 13 weeks after conception and is considered the most crucial to the baby’s development. Many people avoid announcing their pregnancy during the first trimester because it’s the most common time for problems to occur, which mainly includes miscarriages or birth defects. The baby will begin to have organ development, as well as development of the body structure. The amniotic sac is immediately formed around the fertilised egg to protect the baby as the baby then grows to 6-7mm long in the first month. Its facial features then develop, as well as its ears. In the last month of the first trimester, the baby is fully developed and is approximately 7.5-10cm long.

The first trimester can often be the most difficult for pregnant women, as symptoms range from nausea, fatigue, tender breasts, and extreme mood swings due to the hormonal changes that begin to occur.

Second Trimester
The second trimester consists of the 14 to 26 weeks into the pregnancy and is widely considered the most comfortable for the mother, as the harsh symptoms experienced in the first trimester begin to subside. You can still experience symptoms like morning sickness or sensitivity to certain smells, but it will most likely not be extreme enough to disrupt your daily routine. Many women enjoy the increased levels of energy that do not require as much sleep as the first few months of pregnancy.

However new symptoms will likely begin and can include aches and pains throughout the body, heartburn, and constipation on a daily basis.

At this point, the baby will begin to become more mobile and be large enough to cause fluttering movements that you’ll likely be able to feel. This is the fastest stage of development for the baby as its nerves, organs and muscles are formed. The child will then begin to hear while also accumulating fat and have developing bones on the skeleton. In week 14, the gender can then be determined and revealed through a sonogram.

Third Trimester
The third trimester begins in the 27th week and lasts until the 40th week when delivery is expected to occur. Many women begin to feel very uncomfortable at this point in the weeks leading up to their child’s birth and may find it difficult to sleep comfortably or even walk long distances.

This is often when stretch marks begin to occur on your body as your stomach stretches to make room for your growing baby. Other symptoms that are common include hemorrhoids, varicose veins, and disruption of sleeping patterns.

The best part is knowing that the baby now begins to open its eyes in week 28 while the eyelashes have begun to form before the eyes fully open. The bones become fully developed in week 29 and the baby begins to  breathe in week 32. The baby will then begin to detect surrounding light while also having its fingernails grow in the same period before it is born in week 40.

Are you expecting? Share which week of your pregnancy calendar you’re in now!

Why You Need A Pregnancy Calendar

Now that you are pregnant you will want to know absolutely everything about you and your baby’s health and progress. A week-by-week pregnancy calendar is one of the first things you should look into after you find out you’re pregnant.

There are plenty of online pregnancy calendars as well as apps and good old-fashioned books. Simply enter in the date for your Last Menstrual Period (LMP), and the cycle length of your period, and you will get a week-by-week list of physical changes that will happen to your body and keep you updated on your baby’s progress. Things like when you should expect to feel that first kick or comparing the size of your baby to a piece of fruit so you have a tangible understanding of how big they’re getting.

Pregnancy Trimesters and Due Date

Trimesters are the physicians’ ways of grouping your body changes, and offer an easy way of understanding pregnancy for new parents. A full term pregnancy is usually 40 weeks, and will be divided into three trimesters, each of around three months of duration.

Let’s start with the due date. The due date of your pregnancy is generally calculated from the day of conception, which is again calculated from the day of your ovulation. Your physician will determine your due date and there are plenty of online due date calculators like this tool from Mayo Clinic.

The first trimester usually consists of first 12 weeks of the pregnancy and are the most critical of your pregnancy. You will likely feel tired so take it easy and start prenatal care.

The second trimester is generally from the 13th week to 28th week. Nausea usually (but not always) is less, and you’ll start to feel your baby kicking.

The third trimester is from 28th week to childbirth – you may be getting uncomfortable and spending all your time in elastic waistbands, but your due date is approaching. Get plenty of rest.

Best Pregnancy Calendars

Russ Baby Pregnancy Calendar – great book which also makes a handy gift for those expecting
What To Expect Pregnancy Calendar – from the makers of the bestselling book What To Expect When You’re Expecting
WebMD Pregnancy Calendar – trusted source in online medical advice

The most important part of your pregnancy is you and your health. So follow medical advice and remember a healthy mother means a healthy baby.

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