why do you calculate pregnancy from last period

Congratulations! During these first two weeks, your body is preparingPfor possible conception. How is pregnancy calculated? Calculating the day your baby begins to develop and keeping track of your pregnancyPdates can be a challenge. The development of pregnancy is counted from the firstPday of the woman s last normal menstrual period (LMP), even though the developmentPof the fetus does not begin until conception, which is about two weeks later. Pregnancy is calculated from this day because each time a woman has a period,Pher body is preparing for pregnancy. Counting from the LMP, most women are pregnantPan
average of 280 days. Calculating from the LMP also gives a standard of measurementPfor health care providers to follow since it is extremely difficult to knowPexactly when conception occurred. For more information on how pregnancy is measured,Pplease see our information on What changes are occurring with your body? Your period has just begun, and you may be thinking about becomingPpregnant.


Your time is the most important thing you needPto understand when trying to conceive. Ovulation occurs when a maturePegg is released from the ovary, pushed down the fallopian tube, and available to be fertilized. The lining of the uterus has thickenedPto prepare for a fertilized egg. If conception does not occur, thePuterine lining will be shed. The shedding of an unfertilized egg andPthe uterine wall occurs during. There are also several facts that you need to know concerning ovulation: An egg lives 12-24 hours after leaving the ovary. Normally, only one egg is released each time you ovulate. Ovulation can be affected by stress, illness, travel, and significant changes in weight, exercise, and sleeping patterns. Some women may experience light during ovulation. This is not considered to be an actual period, but rather ovulatory bleeding. What is happening with your baby? Nothing is happening yet, but be patient while the stage is beingPset.


Before long, an egg will be released and will be available to be fertilized. How do you track ovulation? A woman s monthly cycle is measured from the first day of her menstrualPperiod until the first day of her next period. On average, a woman sPcycle normally is between 28-32 days. Ovulation is calculated by startingPwith the first day of the cycle, which is the day the menstrual period begins. Most women ovulate on any one day between Day 11 Day 21 of theirPcycle. This is what many refer to as the fertile time Por of a woman s cycle because Pduring this time increases the chance of pregnancy. For more information on tracking ovulation please see: What should you plan at this time? There may need to be some lifestyle changes made at this time toPincrease your chances of conceiving and having a healthy baby downPthe road. Adequate exercise and a balanced diet are important factorsPto evaluate. It is recommended to begin taking prenatal vitamins and stop using substances such as: If you are taking prescription drugs, check with your health care provider to see if such medication is safePto take during pregnancy.


For more information on nutrition during pregnancy, please see our information on. The most important thing you can do right now is to act in the wayPyou would if you already knew you were pregnant. Since it can be weeksPbefore you know if conception has occurred, this will protect bothPyou and your future baby from any substances or activities that couldPcause problems. Many times the male partner does not feel he has a role in a potential pregnancy atPthis time. However, his health and lifestyle can also affect yourPfuture baby. He may need to evaluate his nutrition, intake, as well as habits like smoking, and using drugs or alcohol. MenPcan also benefit from taking or another type ofPvitamin supplement, including a proper diet, prior to conception. Last updated: September 2, 2016 at 18:21 pm How is my due date calculated?


Your due date is calculated by adding 280 days (40 weeks) to the first day of your last menstrual period (assuming a 28 day cycle). Note that your menstrual period and ovulation are counted as the first two weeks of pregnancy. If you deliver on your due date, your baby is actually only 38 weeks old, not 40. Please remember that your due date is only an estimate. Every pregnancy is unique and your baby will come when it's ready. Be sure to talk to your health care provider about your due date. On average only 5% of births take place exactly on the estimated due date. Most are born within a week either side of the estimated due date. A normal pregnancy can last anywhere between 38 and 42 weeks. Baby Status (Size, Weight, Heartbeat) Due Dates for Multiples (Twins, Triplets, Quads) Imagine, Your Baby Will. If you want to, you can view a. Follow your baby's development week by week in our. We have created a slew of to help you through your pregnancy.

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