One of the happiest moments of a woman’s life is finding out that she is pregnant. Once she learns this, she immediately wants to know exactly when her child will arrive. The next question is how to predict your baby due date. This is very important to women.
Be it a first child or one of many, pregnancy is a very important time for when. The general idea most people have is that a human pregnancy lasts nine months. This is a bit off because the calendar cycle is different from the menstrual cycle. Calendar months have extra days, while the menstrual cycle is 28 days, four weeks, which means a pregnancy is closer to ten actual weeks. Finding the date a baby is due is really more of an estimate as lots of things factor into when a woman will go into labor.
Women who pay attention to their menstrual cycle will have a much easier time discovering their due date. A key of information needed is the first day of the woman’s last menstrual cycle. Women are generally on a regular cycle of about 28 days. Ovulation takes place approximately two weeks before the beginning of a woman’s menstruation. For healthy women, there is about a five day window per month in which they might get pregnant. Sperm can survive inside a woman for a few days after intercourse before they might fertilize an egg.
There are now a number of ways doctors determine what a baby’s birth date might be. The first is by using a conception due date calculator. This method is really just an estimate and is not as reliable as some other methods. This method takes the first day of a woman’s last period, subtracts two weeks, and then add 266 days onto that. The date that you come up with is an approximate arrival date for the baby.
Most of these methods have to do with calendar counting. A method that most people are probably unfamiliar with is Naegle’s Rule. Naegle’s Rule requires a woman to count back from her last missed period three months. She then adds seven days and has an approximate date of delivery. This might be the quickest and easiest way to get some idea of the baby’s arrival.
Another method is the LMP or last menstrual period. This is probably one of the most common methods. The method looks at the first day of the last menstruation cycle. Once this date is known 280 days are added to determine the date the baby is due. The LMP methods depends upon the woman having kept close track of her menstruation cycle.
Some methods are more complicated and need more detail about the woman. The BBT/LH method or Basal Body Temperature and Luteinizing Hormone method relies on women tracking their temperature to know when they are ovulating. When women are ovulating the BBT/LH surge and she can predict that she is fertile. Women who are trying to get pregnant are more likely to be following this method, and therefore are more likely to be sure of a conception date. Once the date of ovulation is known 266 days are added to find when a baby will arrive.
Doctors like to use multiple methods to get the best possible arrival date for the baby. After getting an estimate from methods like the conception due date calculator, doctors will use the ultrasound method. This method involves specialized equipment for seeing the development of the child. From the ultrasound the doctor can give a much more educated prediction of the stage the baby is at and when they can expect it to arrive.
Many factors will determine when a child is born. Some babies are born early, some late. Outside factors can often affect a late term pregnancy. Therefore, these methods of how to predict your baby due date are just that, predictions. It is a way for women to have an estimate of when they should prepare for the arrival of their child.
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