Key Developments
Estimated Conception:
January 11, 2026
January 11, 2026
+ Pregnancy Test:
January 25, 2026
January 25, 2026
Estimated First Heart Beat:
February 4, 2026
February 4, 2026
Estimated Due Date:
October 4, 2026
October 4, 2026
Birthday Signs
Baby's star sign is Libra
Birthstone: Tourmaline Opal
Birth Flower: Calendula, Marigold or Cosmos
Birthstone Color: Pink
Birthstone: Tourmaline Opal
Birth Flower: Calendula, Marigold or Cosmos
Birthstone Color: Pink
Trimester Dates
Trimester One:
Dec 28, 2025 - Apr 4, 2026
0 - 13 WeeksTrimester Two:
Apr 5, 2026 - Jul 11, 2026
14 - 27 WeeksTrimester Three:
Jul 12, 2026 - Oct 4, 2026
28 - 40 WeeksMonths Timeline
| 1 Month Pregnant | Jan 28, 2026 |
| 2 Months Pregnant | Feb 28, 2026 |
| 3 Months Pregnant | Mar 28, 2026 |
| 4 Months Pregnant | Apr 28, 2026 |
| 5 Months Pregnant | May 28, 2026 |
| 6 Months Pregnant | Jun 28, 2026 |
| 7 Months Pregnant | Jul 28, 2026 |
| 8 Months Pregnant | Aug 28, 2026 |
| 9 Months Pregnant | Sep 28, 2026 |
| Due Date: October 4, 2026 | |

Date |
How Often to Visit Doctor[1] |
| Jan 25 - Jul 12 | Once a month during this time |
| Jul 12 - Sep 6 | Twice per month during this time |
| Sep 6 - Oct 4 | Once per week during this time |
Prenatal Testing Dates[2]
Early Ultrasound Scan:
Feb 22, 2026 to Mar 29, 2026
7 to 13 weeks
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
Mar 15, 2026 to Mar 29, 2026
11 to 13 weeks
11 to 13 weeks
Quad Screen (Blood Test):
Apr 12, 2026 to May 17, 2026
15 to 20 weeks
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
May 3, 2026 to May 24, 2026
18 to 21 weeks
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Jun 14, 2026 to Jul 12, 2026
24 to 28 weeks
24 to 28 weeks
Your Firsts
| First missed period | Jan 25 | 4 Weeks |
| Baby's heart beat heard | Mar 22 | 16 Weeks |
| Belly definitely showing | Apr 19 | 16-18 Weeks |
| Baby kicks felt, second or later babies | May 03 | 18-20 Weeks |
| Friends and family may feel baby move | Aug 02 | 31 Weeks |
Baby's Developments
| Conception is most likely on this date | Jan 11 | 2 Weeks |
| First heart beat | Feb 4 | 5 Weeks |
| Major organs have formed and face is slowly forming | Mar 8 | 10 Weeks |
| Miscarriage risk decreases | Mar 22 | 12 Weeks |
| Your baby can see light through their closed eyelids | Apr 12 | 15 Weeks |
| You may be able to feel your baby move now | Apr 19 | 16 Weeks |
| Your baby can now hear sounds | May 10 | 19 Weeks |
| Third trimester, baby is "practice breathing" | Jul 12 | 28 Weeks |
| Eyelashes, fingernails, and toenails have now formed | Aug 9 | 32 Weeks |
Things to Consider
| Start planning maternity leave and postpartum work schedule. Tell boss about pregnancy | Mar 22 | 12 Weeks |
| Popular time to tell friends and family | Mar 22 | 12 Weeks |
| Start pediatrician interviews | May 17 | 20 Weeks |
| Good time to look into birthing classes for first pregnancies | May 24 | 21 Weeks |
| If banking cord blood, find facility and order kit | May 31 | 22 Weeks |
| Decide whether you want a birthing coach or doula. Start interviewing | Jul 12 | 28 Weeks |
| Have your baby shower anytime from now | Jul 26 | 30 Weeks |
| Good time to take birthing classes | Jul 26 | 30 Weeks |
| Popular time to have your last day of work | Sep 6 | 36 Weeks |
| Have your pediatrician chosen ready for baby after birth | Sep 6 | 36 Weeks |
| Plan who you want to keep in the loop when you go into labor | Sep 6 | 36 Weeks |
| Learn the symptoms of labor | Sep 6 | 36 Weeks |
When is my Baby Premature, Full Term or Late Term?[2]
| Babies born now are considered Extremely Premature | Jun 21 | 25 Weeks |
| Babies born now are considered Moderately Premature | Jul 19 | 29 Weeks |
| Babies born now are considered Mildly Premature | Aug 16 | 33 Weeks |
| Babies born now are considered Early Term | Sep 13 | 37 Weeks |
| Babies born now are considered Full Term | Sep 27 | 39 Weeks |
| Babies born now are considered Late Term | Oct 11 | 41 Weeks |
| Babies born now are considered Post Term | Oct 18 | 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 Early Term | 14 Early Term | 15 Early Term | 16 Early Term | 17 Early Term | 18 Early Term | 19 Early Term |
| 20 Early Term | 21 Early Term | 22 Early Term | 23 Early Term | 24 Early Term | 25 Early Term | 26 Early Term |
| 27 Full Term | 28 Full Term | 29 Full Term | 30 Full Term | |||
| S | M | T | W | T | F | S |
|---|---|---|---|---|---|---|
| 1 Full Term | 2 Full Term | 3 Full Term | ||||
| 4 Full Term | 5 Full Term | 6 Full Term | 7 Full Term | 8 Full Term | 9 Full Term | 10 Full Term |
| 11 Late Term | 12 Late Term | 13 Late Term | 14 Late Term | 15 Late Term | 16 Late Term | 17 Late Term |
| 18 | 19 | 20 | 21 | 22 | 23 | 24 |
| 25 | 26 | 27 | 28 | 29 | 30 | 31 |
Imagine
First footsteps in October 4, 2027 (1 year)
Start kindergarten in October 4, 2031 (5 years)
Start high school in October 4, 2040 (14 years)
Start to drive in October 4, 2042 (16 years)
Finish high school in October 4, 2044 (18 years)
Graduate from college in 2049 (23 years)
Start kindergarten in October 4, 2031 (5 years)
Start high school in October 4, 2040 (14 years)
Start to drive in October 4, 2042 (16 years)
Finish high school in October 4, 2044 (18 years)
Graduate from college in 2049 (23 years)
Important Birthdays
First Birthday: October 4, 2027
5th Birthday: October 4, 2031
Sweet 16: October 4, 2042
21st Birthday: October 4, 2047
50th Birthday: October 4, 2076
5th Birthday: October 4, 2031
Sweet 16: October 4, 2042
21st Birthday: October 4, 2047
50th Birthday: October 4, 2076
40 Weeks of Pregnancy
0 Weeks Pregnant on Dec 28, 2025
1 Week Pregnant on Jan 04, 2026
2 Weeks Pregnant on Jan 11, 2026
3 Weeks Pregnant on Jan 18, 2026
4 Weeks Pregnant on Jan 25, 2026
5 Weeks Pregnant on Feb 01, 2026
6 Weeks Pregnant on Feb 08, 2026
7 Weeks Pregnant on Feb 15, 2026
8 Weeks Pregnant on Feb 22, 2026
9 Weeks Pregnant on Mar 01, 2026
10 Weeks Pregnant on Mar 08, 2026
11 Weeks Pregnant on Mar 15, 2026
12 Weeks Pregnant on Mar 22, 2026
13 Weeks Pregnant on Mar 29, 2026
14 Weeks Pregnant on Apr 05, 2026
15 Weeks Pregnant on Apr 12, 2026
16 Weeks Pregnant on Apr 19, 2026
17 Weeks Pregnant on Apr 26, 2026
18 Weeks Pregnant on May 03, 2026
19 Weeks Pregnant on May 10, 2026
20 Weeks Pregnant on May 17, 2026
21 Weeks Pregnant on May 24, 2026
22 Weeks Pregnant on May 31, 2026
23 Weeks Pregnant on Jun 07, 2026
24 Weeks Pregnant on Jun 14, 2026
25 Weeks Pregnant on Jun 21, 2026
26 Weeks Pregnant on Jun 28, 2026
27 Weeks Pregnant on Jul 05, 2026
28 Weeks Pregnant on Jul 12, 2026
29 Weeks Pregnant on Jul 19, 2026
30 Weeks Pregnant on Jul 26, 2026
31 Weeks Pregnant on Aug 02, 2026
32 Weeks Pregnant on Aug 09, 2026
33 Weeks Pregnant on Aug 16, 2026
34 Weeks Pregnant on Aug 23, 2026
35 Weeks Pregnant on Aug 30, 2026
36 Weeks Pregnant on Sep 06, 2026
37 Weeks Pregnant on Sep 13, 2026
38 Weeks Pregnant on Sep 20, 2026
39 Weeks Pregnant on Sep 27, 2026
40 Weeks Pregnant on Oct 04, 2026
What if My Due Date October 04, Has Changed?[3]
Your due date October 4th, 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 (October 4, 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