Key Developments
Estimated Conception:
August 18, 2025
August 18, 2025
+ Pregnancy Test:
September 1, 2025
September 1, 2025
Estimated First Heart Beat:
September 11, 2025
September 11, 2025
Estimated Due Date:
May 11, 2026
May 11, 2026
Birthday Signs
Baby's star sign is Taurus
Birthstone: Emerald
Birth Flower: Hawthorn or Lily
Birthstone Color: Green
Birthstone: Emerald
Birth Flower: Hawthorn or Lily
Birthstone Color: Green
Trimester Dates
Trimester One:
Aug 4, 2025 - Nov 9, 2025
0 - 13 WeeksTrimester Two:
Nov 10, 2025 - Feb 15, 2026
14 - 27 WeeksTrimester Three:
Feb 16, 2026 - May 11, 2026
28 - 40 WeeksMonths Timeline
| 1 Month Pregnant | Sep 4, 2025 |
| 2 Months Pregnant | Oct 4, 2025 |
| 3 Months Pregnant | Nov 4, 2025 |
| 4 Months Pregnant | Dec 4, 2025 |
| 5 Months Pregnant | Jan 4, 2026 |
| 6 Months Pregnant | Feb 4, 2026 |
| 7 Months Pregnant | Mar 4, 2026 |
| 8 Months Pregnant | Apr 4, 2026 |
| 9 Months Pregnant | May 4, 2026 |
| Due Date: May 11, 2026 | |
Date |
How Often to Visit Doctor[1] |
| Sep 1 - Feb 16 | Once a month during this time |
| Feb 16 - Apr 13 | Twice per month during this time |
| Apr 13 - May 11 | Once per week during this time |
Prenatal Testing Dates[2]
Early Ultrasound Scan:
Sep 29, 2025 to Nov 3, 2025
7 to 13 weeks
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
Oct 20, 2025 to Nov 3, 2025
11 to 13 weeks
11 to 13 weeks
Quad Screen (Blood Test):
Nov 17, 2025 to Dec 22, 2025
15 to 20 weeks
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Dec 8, 2025 to Dec 29, 2025
18 to 21 weeks
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Jan 19, 2026 to Feb 16, 2026
24 to 28 weeks
24 to 28 weeks
Your Firsts
| First missed period | Sep 01 | 4 Weeks |
| Baby's heart beat heard | Oct 27 | 16 Weeks |
| Belly definitely showing | Nov 24 | 16-18 Weeks |
| Baby kicks felt, second or later babies | Dec 08 | 18-20 Weeks |
| Friends and family may feel baby move | Mar 09 | 31 Weeks |
Baby's Developments
| Conception is most likely on this date | Aug 18 | 2 Weeks |
| First heart beat | Sep 11 | 5 Weeks |
| Major organs have formed and face is slowly forming | Oct 13 | 10 Weeks |
| Miscarriage risk decreases | Oct 27 | 12 Weeks |
| Your baby can see light through their closed eyelids | Nov 17 | 15 Weeks |
| You may be able to feel your baby move now | Nov 24 | 16 Weeks |
| Your baby can now hear sounds | Dec 15 | 19 Weeks |
| Third trimester, baby is "practice breathing" | Feb 16 | 28 Weeks |
| Eyelashes, fingernails, and toenails have now formed | Mar 16 | 32 Weeks |
Things to Consider
| Start planning maternity leave and postpartum work schedule. Tell boss about pregnancy | Oct 27 | 12 Weeks |
| Popular time to tell friends and family | Oct 27 | 12 Weeks |
| Start pediatrician interviews | Dec 22 | 20 Weeks |
| Good time to look into birthing classes for first pregnancies | Dec 29 | 21 Weeks |
| If banking cord blood, find facility and order kit | Jan 5 | 22 Weeks |
| Decide whether you want a birthing coach or doula. Start interviewing | Feb 16 | 28 Weeks |
| Have your baby shower anytime from now | Mar 2 | 30 Weeks |
| Good time to take birthing classes | Mar 2 | 30 Weeks |
| Popular time to have your last day of work | Apr 13 | 36 Weeks |
| Have your pediatrician chosen ready for baby after birth | Apr 13 | 36 Weeks |
| Plan who you want to keep in the loop when you go into labor | Apr 13 | 36 Weeks |
| Learn the symptoms of labor | Apr 13 | 36 Weeks |
When is my Baby Premature, Full Term or Late Term?[2]
| Babies born now are considered Extremely Premature | Jan 26 | 25 Weeks |
| Babies born now are considered Moderately Premature | Feb 23 | 29 Weeks |
| Babies born now are considered Mildly Premature | Mar 23 | 33 Weeks |
| Babies born now are considered Early Term | Apr 20 | 37 Weeks |
| Babies born now are considered Full Term | May 4 | 39 Weeks |
| Babies born now are considered Late Term | May 18 | 41 Weeks |
| Babies born now are considered Post Term | May 25 | 42+ Weeks |
Most Probable Due Range
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |||
| 5 | 6 | 7 | 8 | 9 | 10 | 11 |
| 12 | 13 | 14 | 15 | 16 | 17 | 18 |
| 19 | 20 Early Term | 21 Early Term | 22 Early Term | 23 Early Term | 24 Early Term | 25 Early Term |
| 26 Early Term | 27 Early Term | 28 Early Term | 29 Early Term | 30 Early Term | ||
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 Early Term | 2 Early Term | |||||
| 3 Early Term | 4 Full Term | 5 Full Term | 6 Full Term | 7 Full Term | 8 Full Term | 9 Full Term |
| 10 Full Term | 11 Full Term | 12 Full Term | 13 Full Term | 14 Full Term | 15 Full Term | 16 Full Term |
| 17 Full Term | 18 Late Term | 19 Late Term | 20 Late Term | 21 Late Term | 22 Late Term | 23 Late Term |
| 24 Late Term | 25 | 26 | 27 | 28 | 29 | 30 |
| 31 | ||||||
Imagine
First footsteps in May 11, 2027 (1 year)
Start kindergarten in May 11, 2031 (5 years)
Start high school in May 11, 2040 (14 years)
Start to drive in May 11, 2042 (16 years)
Finish high school in May 11, 2044 (18 years)
Graduate from college in 2049 (23 years)
Start kindergarten in May 11, 2031 (5 years)
Start high school in May 11, 2040 (14 years)
Start to drive in May 11, 2042 (16 years)
Finish high school in May 11, 2044 (18 years)
Graduate from college in 2049 (23 years)
Important Birthdays
First Birthday: May 11, 2027
5th Birthday: May 11, 2031
Sweet 16: May 11, 2042
21st Birthday: May 11, 2047
50th Birthday: May 11, 2076
5th Birthday: May 11, 2031
Sweet 16: May 11, 2042
21st Birthday: May 11, 2047
50th Birthday: May 11, 2076
40 Weeks of Pregnancy
0 Weeks Pregnant on Aug 04, 2025
1 Week Pregnant on Aug 11, 2025
2 Weeks Pregnant on Aug 18, 2025
3 Weeks Pregnant on Aug 25, 2025
4 Weeks Pregnant on Sep 01, 2025
5 Weeks Pregnant on Sep 08, 2025
6 Weeks Pregnant on Sep 15, 2025
7 Weeks Pregnant on Sep 22, 2025
8 Weeks Pregnant on Sep 29, 2025
9 Weeks Pregnant on Oct 06, 2025
10 Weeks Pregnant on Oct 13, 2025
11 Weeks Pregnant on Oct 20, 2025
12 Weeks Pregnant on Oct 27, 2025
13 Weeks Pregnant on Nov 03, 2025
14 Weeks Pregnant on Nov 10, 2025
15 Weeks Pregnant on Nov 17, 2025
16 Weeks Pregnant on Nov 24, 2025
17 Weeks Pregnant on Dec 01, 2025
18 Weeks Pregnant on Dec 08, 2025
19 Weeks Pregnant on Dec 15, 2025
20 Weeks Pregnant on Dec 22, 2025
21 Weeks Pregnant on Dec 29, 2025
22 Weeks Pregnant on Jan 05, 2026
23 Weeks Pregnant on Jan 12, 2026
24 Weeks Pregnant on Jan 19, 2026
25 Weeks Pregnant on Jan 26, 2026
26 Weeks Pregnant on Feb 02, 2026
27 Weeks Pregnant on Feb 09, 2026
28 Weeks Pregnant on Feb 16, 2026
29 Weeks Pregnant on Feb 23, 2026
30 Weeks Pregnant on Mar 02, 2026
31 Weeks Pregnant on Mar 09, 2026
32 Weeks Pregnant on Mar 16, 2026
33 Weeks Pregnant on Mar 23, 2026
34 Weeks Pregnant on Mar 30, 2026
35 Weeks Pregnant on Apr 06, 2026
36 Weeks Pregnant on Apr 13, 2026
37 Weeks Pregnant on Apr 20, 2026
38 Weeks Pregnant on Apr 27, 2026
39 Weeks Pregnant on May 04, 2026
40 Weeks Pregnant on May 11, 2026
What if My Due Date May 11, Has Changed?[3]
Your due date May 11th, 2026 could be changed if there is a significant difference between the due date based on ultrasound and the due date calculated from your LMP (May 11, 2026) date.
The American College of Obstetricians and Gynecologists, the American Institute of Ultrasound in Medicine, and the Society for Maternal-Fetal Medicine have produced guidelines to help doctors decide when to change due dates. See chart here.
References:
- Prenatal Care Fact Sheet. http://womenshealth.gov/publications/our-publications/fact-sheet/prenatal-care.html
- Prenatal care and tests. Office on Women's Health (OWH) GOV - https://www.womenshealth.gov/pregnancy/youre-pregnant-now-what/prenatal-care-and-tests
- Committee Opinion No. 579. 2013. Definition of term pregnancy. Obstet Gynec. 122 (2013): 1139-40. doi: 10.1097/01.AOG.0000437385.88715.4a
- Committee Opinion No. 611. Method for estimating due date. Obstet Gynec. 124 (2014): 863-6. doi: 10.1097/01.AOG.0000454932.15177.be