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