Calculate due date, pregnancy progress, and trimesters
Select your average cycle length for more accurate due date calculation
Your Pregnancy Progress
Due Date
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Weeks Pregnant
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Days Pregnant
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Trimester
–
Pregnancy Progress
First Trimester
Weeks: –
Baby’s major organs begin to form
Second Trimester
Weeks: –
Baby grows rapidly, movements felt
Third Trimester
Weeks: –
Final growth and preparation for birth
Key Pregnancy Dates
- Start of Pregnancy: –
- End of First Trimester: – (Week 13)
- End of Second Trimester: – (Week 27)
- Due Date: – (Week 40)

Pregnancy
A pregnancy calculator is an easy-to-use online tool that helps women accurately track their pregnancy timeline. Moreover, by using a pregnancy week calculator, users can find out how many weeks pregnant they are, calculate the expected due date, and track pregnancy week by week or month by month. Additionally, this online pregnancy calculator is helpful for first-time mothers, couples planning ahead, and women who want clear pregnancy guidance from the very beginning.
How Does a Pregnancy Calculator Work?
A pregnancy calculator works by using the first day of your last menstrual period (LMP) or your ovulation date. Therefore, based on this information, it estimates your pregnancy age, current pregnancy week, and expected delivery date. Moreover, many women use a pregnancy calculator week by week to monitor baby development and body changes throughout pregnancy.
Pregnancy Due Date Calculator
A pregnancy due date calculator helps you calculate your expected delivery date (EDD). This is also known as an EDD pregnancy calculator. For example, most calculators assume a 40-week pregnancy and provide an estimated due date along with a complete pregnancy timeline calculator. As a result, women can easily prepare for each stage of pregnancy.`
Pregnancy Weeks to Months Calculator
A pregnancy weeks to months calculator converts pregnancy weeks into months for easy understanding. Similarly, with a pregnancy week and month calculator, women can clearly know whether they are in the first, second, or third trimester. Additionally, this feature is especially useful for doctor visits and personal planning.
Pregnancy Test Calculator
A pregnancy test calculator helps determine the best time to take a pregnancy test. Therefore, by using a when-to-take pregnancy test calculator, women can avoid false results and test at the right time. Moreover, an early pregnancy test calculator estimates when hCG hormone levels are likely high enough for a positive result. In addition, an ovulation and pregnancy calculator estimates pregnancy based on ovulation or conception date.
Regular Ovulation Cycles
A pregnancy calculator by ovulation date is especially helpful for women tracking fertility or trying to conceive. For example, this method gives more accurate results for women with regular ovulation cycles.
IVF Pregnancy Calculator
An IVF pregnancy calculator is designed for women who conceived through in-vitro fertilization. Similarly, by using an IVF pregnancy week-by-week calculator, parents can track pregnancy progress accurately based on embryo transfer dates. Additionally, this calculator also supports pregnancy trimester calculator features.
Pregnancy Health Calculators
- Pregnancy health is equally important. Therefore, tools like a pregnancy weight gain calculator, pregnancy BMI calculator, and pregnancy calorie calculator help mothers maintain a healthy lifestyle. Moreover, these calculators provide guidance on ideal weight gain and daily calorie needs during pregnancy.
- Many women prefer using a pregnancy calculator app or an online pregnancy calculator for quick access. As a result, these tools offer reminders, weekly updates, and easy tracking from mobile devices, making pregnancy management simple and stress-free. Finally, regional tools like pregnancy calculator India and calculators available in local languages—such as Hindi, Tamil, Telugu, and Marathi—help users understand pregnancy information more comfortably.
Frequently Asked Questions
Find answers to common questions about pregnancy calculation and tracking
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1
How is pregnancy calculated?
Pregnancy is calculated from the first day of your last menstrual period (LMP), not from conception date.
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2
How to calculate pregnancy?
Use the first day of your last period plus 280 days (40 weeks) to calculate pregnancy duration.
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3
How to calculate pregnancy weeks?
Count weeks from the first day of your last menstrual period (LMP) to current date.
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4
How to calculate pregnancy week by week?
Track each week from LMP date, with pregnancy typically lasting 40 weeks total.
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5
How to calculate pregnancy months by weeks?
Approximately 4.3 weeks per month: 1-4 weeks = 1st month, 5-8 weeks = 2nd month, etc.
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6
How to calculate pregnancy due date?
Due date = First day of last period + 280 days (or 40 weeks).
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7
How to calculate due date for pregnancy?
Add 280 days (40 weeks) to the first day of your last menstrual period.
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8
How do you calculate pregnancy due date?
Use Naegele’s rule: LMP + 1 year – 3 months + 7 days.
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9
How can I calculate my pregnancy week?
Count weeks from first day of last period to today’s date.
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10
How do I calculate my pregnancy weeks?
Subtract LMP date from current date and divide by 7 to get weeks.
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11
How far along am I in my pregnancy?
Calculate weeks from LMP date: (Current date – LMP date) ÷ 7 = weeks pregnant.
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12
How many weeks is pregnancy?
Full-term pregnancy is typically 40 weeks (280 days) from LMP.
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13
How are pregnancy weeks calculated?
From first day of last menstrual period, each 7-day period equals one week.
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14
Why is pregnancy calculated from last period?
Because most women know their LMP date but not exact conception date.
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15
How to calculate pregnancy from last period?
Count days/weeks from first day of LMP to determine pregnancy duration.
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16
How to calculate pregnancy from conception?
Add 266 days (38 weeks) to conception date for estimated due date.
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17
How to calculate pregnancy age?
Pregnancy age is calculated in weeks from first day of LMP.
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18
How to calculate weeks of pregnancy?
(Current date – LMP date) ÷ 7 = weeks of pregnancy.
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19
How to calculate pregnancy after miscarriage without period?
Use conception date + 266 days or ultrasound measurements for accuracy.
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20
When can I take a pregnancy test?
After missed period or 10-14 days after conception for accurate results.
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21
When should I take a pregnancy test?
First morning urine after missed period gives most accurate results.
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22
How soon can I take a pregnancy test?
Some tests detect pregnancy 6-8 days after ovulation/fertilization.
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23
When will I get a positive pregnancy test?
Usually 10-14 days after conception when hCG levels are detectable.
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24
How to calculate pregnancy by ovulation date?
Ovulation date + 266 days (38 weeks) = estimated due date.
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25
How to calculate pregnancy by intercourse date?
Intercourse date + 266 days = approximate due date (if conception occurred).
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26
How to calculate IVF pregnancy weeks?
Embryo transfer date + 266 days OR transfer date + embryo age in days.
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27
How to calculate expected date of delivery (EDD)?
EDD = LMP + 280 days (40 weeks) OR ultrasound measurement.
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28
How is trimester calculated in pregnancy?
1st trimester: weeks 1-13, 2nd trimester: weeks 14-27, 3rd trimester: weeks 28-40.
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29
How to calculate pregnancy weeks into months?
Months 1-3: weeks 1-13, Months 4-6: weeks 14-27, Months 7-9: weeks 28-40.
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30
How to calculate baby weight during pregnancy?
Ultrasound measurements estimate fetal weight using various formulas and measurements.
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