Key Developments
Estimated Conception:
September 4, 2025
September 4, 2025
+ Pregnancy Test:
September 18, 2025
September 18, 2025
Estimated First Heart Beat:
September 28, 2025
September 28, 2025
Estimated Due Date:
May 28, 2026
May 28, 2026
Birthday Signs
Baby's star sign is Gemini
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 21, 2025 - Nov 26, 2025
0 - 13 WeeksTrimester Two:
Nov 27, 2025 - Mar 4, 2026
14 - 27 WeeksTrimester Three:
Mar 5, 2026 - May 28, 2026
28 - 40 WeeksMonths Timeline
| 1 Month Pregnant | Sep 21, 2025 |
| 2 Months Pregnant | Oct 21, 2025 |
| 3 Months Pregnant | Nov 21, 2025 |
| 4 Months Pregnant | Dec 21, 2025 |
| 5 Months Pregnant | Jan 21, 2026 |
| 6 Months Pregnant | Feb 21, 2026 |
| 7 Months Pregnant | Mar 21, 2026 |
| 8 Months Pregnant | Apr 21, 2026 |
| 9 Months Pregnant | May 21, 2026 |
| Due Date: May 28, 2026 | |
Date |
How Often to Visit Doctor[1] |
| Sep 18 - Mar 5 | Once a month during this time |
| Mar 5 - Apr 30 | Twice per month during this time |
| Apr 30 - May 28 | Once per week during this time |
Prenatal Testing Dates[2]
Early Ultrasound Scan:
Oct 16, 2025 to Nov 20, 2025
7 to 13 weeks
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
Nov 6, 2025 to Nov 20, 2025
11 to 13 weeks
11 to 13 weeks
Quad Screen (Blood Test):
Dec 4, 2025 to Jan 8, 2026
15 to 20 weeks
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Dec 25, 2025 to Jan 15, 2026
18 to 21 weeks
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Feb 5, 2026 to Mar 5, 2026
24 to 28 weeks
24 to 28 weeks
Your Firsts
| First missed period | Sep 18 | 4 Weeks |
| Baby's heart beat heard | Nov 13 | 16 Weeks |
| Belly definitely showing | Dec 11 | 16-18 Weeks |
| Baby kicks felt, second or later babies | Dec 25 | 18-20 Weeks |
| Friends and family may feel baby move | Mar 26 | 31 Weeks |
Baby's Developments
| Conception is most likely on this date | Sep 4 | 2 Weeks |
| First heart beat | Sep 28 | 5 Weeks |
| Major organs have formed and face is slowly forming | Oct 30 | 10 Weeks |
| Miscarriage risk decreases | Nov 13 | 12 Weeks |
| Your baby can see light through their closed eyelids | Dec 4 | 15 Weeks |
| You may be able to feel your baby move now | Dec 11 | 16 Weeks |
| Your baby can now hear sounds | Jan 1 | 19 Weeks |
| Third trimester, baby is "practice breathing" | Mar 5 | 28 Weeks |
| Eyelashes, fingernails, and toenails have now formed | Apr 2 | 32 Weeks |
Things to Consider
| Start planning maternity leave and postpartum work schedule. Tell boss about pregnancy | Nov 13 | 12 Weeks |
| Popular time to tell friends and family | Nov 13 | 12 Weeks |
| Start pediatrician interviews | Jan 8 | 20 Weeks |
| Good time to look into birthing classes for first pregnancies | Jan 15 | 21 Weeks |
| If banking cord blood, find facility and order kit | Jan 22 | 22 Weeks |
| Decide whether you want a birthing coach or doula. Start interviewing | Mar 5 | 28 Weeks |
| Have your baby shower anytime from now | Mar 19 | 30 Weeks |
| Good time to take birthing classes | Mar 19 | 30 Weeks |
| Popular time to have your last day of work | Apr 30 | 36 Weeks |
| Have your pediatrician chosen ready for baby after birth | Apr 30 | 36 Weeks |
| Plan who you want to keep in the loop when you go into labor | Apr 30 | 36 Weeks |
| Learn the symptoms of labor | Apr 30 | 36 Weeks |
When is my Baby Premature, Full Term or Late Term?[2]
| Babies born now are considered Extremely Premature | Feb 12 | 25 Weeks |
| Babies born now are considered Moderately Premature | Mar 12 | 29 Weeks |
| Babies born now are considered Mildly Premature | Apr 9 | 33 Weeks |
| Babies born now are considered Early Term | May 7 | 37 Weeks |
| Babies born now are considered Full Term | May 21 | 39 Weeks |
| Babies born now are considered Late Term | Jun 4 | 41 Weeks |
| Babies born now are considered Post Term | Jun 11 | 42+ Weeks |
Most Probable Due Range
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 | 2 | |||||
| 3 | 4 | 5 | 6 | 7 Early Term | 8 Early Term | 9 Early Term |
| 10 Early Term | 11 Early Term | 12 Early Term | 13 Early Term | 14 Early Term | 15 Early Term | 16 Early Term |
| 17 Early Term | 18 Early Term | 19 Early Term | 20 Early Term | 21 Full Term | 22 Full Term | 23 Full Term |
| 24 Full Term | 25 Full Term | 26 Full Term | 27 Full Term | 28 Full Term | 29 Full Term | 30 Full Term |
| 31 Full Term | ||||||
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 Full Term | 2 Full Term | 3 Full Term | 4 Late Term | 5 Late Term | 6 Late Term | |
| 7 Late Term | 8 Late Term | 9 Late Term | 10 Late Term | 11 | 12 | 13 |
| 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| 21 | 22 | 23 | 24 | 25 | 26 | 27 |
| 28 | 29 | 30 | ||||
Imagine
First footsteps in May 28, 2027 (1 year)
Start kindergarten in May 28, 2031 (5 years)
Start high school in May 28, 2040 (14 years)
Start to drive in May 28, 2042 (16 years)
Finish high school in May 28, 2044 (18 years)
Graduate from college in 2049 (23 years)
Start kindergarten in May 28, 2031 (5 years)
Start high school in May 28, 2040 (14 years)
Start to drive in May 28, 2042 (16 years)
Finish high school in May 28, 2044 (18 years)
Graduate from college in 2049 (23 years)
Important Birthdays
First Birthday: May 28, 2027
5th Birthday: May 28, 2031
Sweet 16: May 28, 2042
21st Birthday: May 28, 2047
50th Birthday: May 28, 2076
5th Birthday: May 28, 2031
Sweet 16: May 28, 2042
21st Birthday: May 28, 2047
50th Birthday: May 28, 2076
40 Weeks of Pregnancy
0 Weeks Pregnant on Aug 21, 2025
1 Week Pregnant on Aug 28, 2025
2 Weeks Pregnant on Sep 04, 2025
3 Weeks Pregnant on Sep 11, 2025
4 Weeks Pregnant on Sep 18, 2025
5 Weeks Pregnant on Sep 25, 2025
6 Weeks Pregnant on Oct 02, 2025
7 Weeks Pregnant on Oct 09, 2025
8 Weeks Pregnant on Oct 16, 2025
9 Weeks Pregnant on Oct 23, 2025
10 Weeks Pregnant on Oct 30, 2025
11 Weeks Pregnant on Nov 06, 2025
12 Weeks Pregnant on Nov 13, 2025
13 Weeks Pregnant on Nov 20, 2025
14 Weeks Pregnant on Nov 27, 2025
15 Weeks Pregnant on Dec 04, 2025
16 Weeks Pregnant on Dec 11, 2025
17 Weeks Pregnant on Dec 18, 2025
18 Weeks Pregnant on Dec 25, 2025
19 Weeks Pregnant on Jan 01, 2026
20 Weeks Pregnant on Jan 08, 2026
21 Weeks Pregnant on Jan 15, 2026
22 Weeks Pregnant on Jan 22, 2026
23 Weeks Pregnant on Jan 29, 2026
24 Weeks Pregnant on Feb 05, 2026
25 Weeks Pregnant on Feb 12, 2026
26 Weeks Pregnant on Feb 19, 2026
27 Weeks Pregnant on Feb 26, 2026
28 Weeks Pregnant on Mar 05, 2026
29 Weeks Pregnant on Mar 12, 2026
30 Weeks Pregnant on Mar 19, 2026
31 Weeks Pregnant on Mar 26, 2026
32 Weeks Pregnant on Apr 02, 2026
33 Weeks Pregnant on Apr 09, 2026
34 Weeks Pregnant on Apr 16, 2026
35 Weeks Pregnant on Apr 23, 2026
36 Weeks Pregnant on Apr 30, 2026
37 Weeks Pregnant on May 07, 2026
38 Weeks Pregnant on May 14, 2026
39 Weeks Pregnant on May 21, 2026
40 Weeks Pregnant on May 28, 2026
What if My Due Date May 28, Has Changed?[3]
Your due date May 28th, 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 28, 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