age of pregnancy calculator
The baby can be measured as early as 5 or 6 weeks after the mother’s last menstrual period. Measuring the baby using ultrasound is most accurate in early pregnancy. It becomes less accurate later in pregnancy. The best time to estimate gestational age using ultrasound is between the 8th and 18th weeks of pregnancy. The most accurate way to determine gestational age is using the first day of the woman’s last menstrual period and confirming this gestational age with the measurement from an ultrasound exam. Use this pregnancy due date calculator to find out when your baby is due. Your health care provider will confirm the baby's gestational age with a first trimester ultrasound. Enter the first day of your last menstrual periodPlease indicate a response. Your Name/Email. E-mail *. A valid e-mail address. All e-mails from the system will be sent to this address. The e-mail address is not made public and will only be used if you wish to receive a new password or wish to receive certain news or notifications by e-mail. Subscribe to the BabyMed Newsletter. Fertilization of the egg usually takes place 14 days before the woman's next period. If your menstrual cycle is shorter or longer than 28 days, select the number of days from the start of one cycle to the start of the next cycle. Human Chorionic Gonadotropin Pregnancy Test. Human chorionic gonadotropin first becomes detectable in the mother's blood and urine between 6 and 14 days after fertilization (3 to 4 weeks gestational age) [11-13]. The gestational age would, therefore, be at least 3 to 4 weeks at the time of a reliable hCG pregnancy test. This is how most healthcare providers calculate your due date. Date I conceived Date I conceived. Few people know this to the day; choose this option only if you're sure. Find out your due date with our pregnancy calculator, plus get info about your developing baby and see how big your baby is right now. Related resources. Pregnancy weeks and trimesters, explained. Your pregnancy, week by week. Your estimated due date is. To calculate your pregnancy due date, your health care provider will use the date your last period started, add seven days and count back three months. He or she could also simply count ahead 40 weeks from the start of your last period. Calculating Conception. Gestational age, or the age of the baby, is calculated from the first day of the mother’s last menstrual period. Since the exact date of conception is almost never known, the first day of the last menstrual period is used to measure how old the baby is. Use our Pregnancy Calculator to calculate these dates for you. : Enter your own or someone else's birthday and our calculator will tell you your age in years, months, days, hours, and seconds. Due Date Calculator. This interactive Due Date Calculator will help you estimate the date your baby will arrive. Pregnancy usually lasts 280 days (40 weeks) from the first day of the woman's last menstrual period. This calculator is a general guide: every pregnancy is unique, and sometimes babies arrive sooner or later than expected. Always talk to your health care provider about your due date.
Use the date your last period started, add seven days and count back three months then simply count ahead 40 weeks from the start of your last period.