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