Key Developments
Estimated Conception:
March 25, 2025
March 25, 2025
+ Pregnancy Test:
April 8, 2025
April 8, 2025
Estimated First Heart Beat:
April 18, 2025
April 18, 2025
Estimated Due Date:
December 16, 2025
December 16, 2025
Announcement Image
Birthday Signs
Baby's star sign is Sagittarius
Birthstone: Tanzanite Zircon Turquoise
Birth Flower: Holly or Narcissus
Birthstone Color: Baby Blue
Birthstone: Tanzanite Zircon Turquoise
Birth Flower: Holly or Narcissus
Birthstone Color: Baby Blue
Trimester Dates
Trimester One:
Mar 11, 2025 - Jun 16, 2025
0 - 13 WeeksTrimester Two:
Jun 17, 2025 - Sep 22, 2025
14 - 27 WeeksTrimester Three:
Sep 23, 2025 - Dec 16, 2025
28 - 40 WeeksMonths Timeline
| 1 Month Pregnant | Apr 11, 2025 |
| 2 Months Pregnant | May 11, 2025 |
| 3 Months Pregnant | Jun 11, 2025 |
| 4 Months Pregnant | Jul 11, 2025 |
| 5 Months Pregnant | Aug 11, 2025 |
| 6 Months Pregnant | Sep 11, 2025 |
| 7 Months Pregnant | Oct 11, 2025 |
| 8 Months Pregnant | Nov 11, 2025 |
| 9 Months Pregnant | Dec 11, 2025 |
| Due Date: December 16, 2025 | |
Date |
How Often to Visit Doctor[1] |
| Apr 8 - Sep 23 | Once a month during this time |
| Sep 23 - Nov 18 | Twice per month during this time |
| Nov 18 - Dec 16 | Once per week during this time |
Prenatal Testing Dates[2]
Early Ultrasound Scan:
May 6, 2025 to Jun 10, 2025
7 to 13 weeks
7 to 13 weeks
First Trimester Screening or Nuchal Translucency Scan (Blood Test and Ultrasound):
May 27, 2025 to Jun 10, 2025
11 to 13 weeks
11 to 13 weeks
Quad Screen (Blood Test):
Jun 24, 2025 to Jul 29, 2025
15 to 20 weeks
15 to 20 weeks
Second Trimester Ultrasound or Anomaly Scan:
Jul 15, 2025 to Aug 5, 2025
18 to 21 weeks
18 to 21 weeks
Glucose Challenge Screening (Blood Test):
Aug 26, 2025 to Sep 23, 2025
24 to 28 weeks
24 to 28 weeks
Your Firsts
| First missed period | Apr 08 | 4 Weeks |
| Baby's heart beat heard | Jun 03 | 16 Weeks |
| Belly definitely showing | Jul 01 | 16-18 Weeks |
| Baby kicks felt, second or later babies | Jul 15 | 18-20 Weeks |
| Friends and family may feel baby move | Oct 14 | 31 Weeks |
Baby's Developments
| Conception is most likely on this date | Mar 25 | 2 Weeks |
| First heart beat | Apr 18 | 5 Weeks |
| Major organs have formed and face is slowly forming | May 20 | 10 Weeks |
| Miscarriage risk decreases | Jun 3 | 12 Weeks |
| Your baby can see light through their closed eyelids | Jun 24 | 15 Weeks |
| You may be able to feel your baby move now | Jul 1 | 16 Weeks |
| Your baby can now hear sounds | Jul 22 | 19 Weeks |
| Third trimester, baby is "practice breathing" | Sep 23 | 28 Weeks |
| Eyelashes, fingernails, and toenails have now formed | Oct 21 | 32 Weeks |
Things to Consider
| Start planning maternity leave and postpartum work schedule. Tell boss about pregnancy | Jun 3 | 12 Weeks |
| Popular time to tell friends and family | Jun 3 | 12 Weeks |
| Start pediatrician interviews | Jul 29 | 20 Weeks |
| Good time to look into birthing classes for first pregnancies | Aug 5 | 21 Weeks |
| If banking cord blood, find facility and order kit | Aug 12 | 22 Weeks |
| Decide whether you want a birthing coach or doula. Start interviewing | Sep 23 | 28 Weeks |
| Have your baby shower anytime from now | Oct 7 | 30 Weeks |
| Good time to take birthing classes | Oct 7 | 30 Weeks |
| Popular time to have your last day of work | Nov 18 | 36 Weeks |
| Have your pediatrician chosen ready for baby after birth | Nov 18 | 36 Weeks |
| Plan who you want to keep in the loop when you go into labor | Nov 18 | 36 Weeks |
| Learn the symptoms of labor | Nov 18 | 36 Weeks |
When is my Baby Premature, Full Term or Late Term?[2]
| Babies born now are considered Extremely Premature | Sep 2 | 25 Weeks |
| Babies born now are considered Moderately Premature | Sep 30 | 29 Weeks |
| Babies born now are considered Mildly Premature | Oct 28 | 33 Weeks |
| Babies born now are considered Early Term | Nov 25 | 37 Weeks |
| Babies born now are considered Full Term | Dec 9 | 39 Weeks |
| Babies born now are considered Late Term | Dec 23 | 41 Weeks |
| Babies born now are considered Post Term | Dec 30 | 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 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 Early Term | 5 Early Term | 6 Early Term | |
| 7 Early Term | 8 Early 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 Full Term | 19 Full Term | 20 Full Term |
| 21 Full Term | 22 Full Term | 23 Late Term | 24 Late Term | 25 Late Term | 26 Late Term | 27 Late Term |
| 28 Late Term | 29 Late Term | 30 | 31 | |||
Imagine
First footsteps in December 16, 2026 (1 year)
Start kindergarten in December 16, 2030 (5 years)
Start high school in December 16, 2039 (14 years)
Start to drive in December 16, 2041 (16 years)
Finish high school in December 16, 2043 (18 years)
Graduate from college in 2048 (23 years)
Start kindergarten in December 16, 2030 (5 years)
Start high school in December 16, 2039 (14 years)
Start to drive in December 16, 2041 (16 years)
Finish high school in December 16, 2043 (18 years)
Graduate from college in 2048 (23 years)
Important Birthdays
First Birthday: December 16, 2026
5th Birthday: December 16, 2030
Sweet 16: December 16, 2041
21st Birthday: December 16, 2046
50th Birthday: December 16, 2075
5th Birthday: December 16, 2030
Sweet 16: December 16, 2041
21st Birthday: December 16, 2046
50th Birthday: December 16, 2075
40 Weeks of Pregnancy
0 Weeks Pregnant on Mar 11, 2025
1 Week Pregnant on Mar 18, 2025
2 Weeks Pregnant on Mar 25, 2025
3 Weeks Pregnant on Apr 01, 2025
4 Weeks Pregnant on Apr 08, 2025
5 Weeks Pregnant on Apr 15, 2025
6 Weeks Pregnant on Apr 22, 2025
7 Weeks Pregnant on Apr 29, 2025
8 Weeks Pregnant on May 06, 2025
9 Weeks Pregnant on May 13, 2025
10 Weeks Pregnant on May 20, 2025
11 Weeks Pregnant on May 27, 2025
12 Weeks Pregnant on Jun 03, 2025
13 Weeks Pregnant on Jun 10, 2025
14 Weeks Pregnant on Jun 17, 2025
15 Weeks Pregnant on Jun 24, 2025
16 Weeks Pregnant on Jul 01, 2025
17 Weeks Pregnant on Jul 08, 2025
18 Weeks Pregnant on Jul 15, 2025
19 Weeks Pregnant on Jul 22, 2025
20 Weeks Pregnant on Jul 29, 2025
21 Weeks Pregnant on Aug 05, 2025
22 Weeks Pregnant on Aug 12, 2025
23 Weeks Pregnant on Aug 19, 2025
24 Weeks Pregnant on Aug 26, 2025
25 Weeks Pregnant on Sep 02, 2025
26 Weeks Pregnant on Sep 09, 2025
27 Weeks Pregnant on Sep 16, 2025
28 Weeks Pregnant on Sep 23, 2025
29 Weeks Pregnant on Sep 30, 2025
30 Weeks Pregnant on Oct 07, 2025
31 Weeks Pregnant on Oct 14, 2025
32 Weeks Pregnant on Oct 21, 2025
33 Weeks Pregnant on Oct 28, 2025
34 Weeks Pregnant on Nov 04, 2025
35 Weeks Pregnant on Nov 11, 2025
36 Weeks Pregnant on Nov 18, 2025
37 Weeks Pregnant on Nov 25, 2025
38 Weeks Pregnant on Dec 02, 2025
39 Weeks Pregnant on Dec 09, 2025
40 Weeks Pregnant on Dec 16, 2025
What if My Due Date December 16, Has Changed?[3]
Your due date December 16th, 2025 could be changed if there is a significant difference between the due date based on ultrasound and the due date calculated from your LMP (December 16, 2025) 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