#Pregnancy due date calculator how to#

The date the baby will be born is expressed as the week of pregnancy calculation. Pregnancy Week Calculator Expectant mothers and fathers, who are excited and impatient to hold their babies in their arms, try various methods to calculate how old their baby is.

#Pregnancy due date calculator how to#

Mama, your baby will come, and when they do, it will be the most perfect date of all: Your baby's birthday! Try our due date calculatorДЇor all those planner mamas-to-be: Our due date calculator can help you figure out the day your baby is due to be born based on your conception month.Pregnancy Week Calculator How to Calculate the Week of Pregnancy? Instead of saying, 'I'm due on May 15th,' maybe try, 'I'm due sometime in May!' Ultimately, due dates are really exciting to think about-but my recommendation is to try to think of them as an approximation. (Psst: If that's you, here's how to give yourself grace when you go past your due date.) Your provider will discuss all of your options, like waiting for labor to start on its own versus scheduling an inductionВ with you. Going past your due date can be frustrating.

Note that due dates are not expiration dates! Most first-time moms will give birth 3-5 days past their due date, and a great many go longer than that still. In fact, only about 4% of women will give birth on their due date. In short, due dates are not very accurate. Related: 9 essential questions to ask during your first prenatal visit How accurate are due dates? Surprisingly, as your pregnancy progresses, it becomes harder to calculate the gestational age and size of the fetus with an ultrasound (the bigger they get, the more inaccurate the measurements are). The ultrasound technician will measure the size of the embryo and use the information gathered to determine your due date. A history of irregular periods, medications and plain ol' forgetting are all normal reasons to be unsure.ДЄ transvaginal ultrasoundВ (where a lubricated ultrasound wand is inserted into the vagina) can help to pinpoint your estimated due date, especially when done in the first trimester. Related: September is by far the most popular birthday month-and hereвЂ™s why Using ultrasounds to determine your due dateДЇor a variety of reasons, a lot of women don't know when their last period was (so don't worry if you're not sure, mama). You can also use a due date calculator, which can also help if you know the day of intercourse, insemination or embryo transfer, or try our handy graphic below.

Subtracting three months from April brings you to January.

Write down the first day of your last LMP.

The first is based on the first day of your last menstrual period (LMP). There are a few ways to calculate your due date.

At 42 weeks, the pregnancy is considered post-term.

At 41 weeks, the pregnancy is considered late-term.

At 37 weeks, the pregnancy is considered early-term (technically full-term, but on the early side of it).

Delivery prior to 37 weeks is considered preterm. Your pregnancy is considered full-term after 37 weeks. Pregnancies last approximately 280 days, which is 40 weeks, or about 10 months-not nine like we traditionally hear. Related: The new mama's guide to pregnancy symptoms How long is pregnancy? Whatever phrasing you use, your due date is the day that we estimate your baby will be born.

Estimated date of confinement (EDC) (Wait, what? Back in the day, women were confined to a bed or hospital when they gave birth, hence the word confinement.).

Try our due date calculator below! What is a due date?Дue dates can encompass a range of terminologies, all referring to the same thing. Let's discuss what due dates are, and most importantly, how to determine when your due date is. If that's the case, your doctor or midwife will likely recommend what's known as a dating ultrasound to help determine how far along you are. As I share in The Motherly Guide to Becoming Mama, it's common for women not to know when their LMP was.