Pregnancy

By Trimester

First

Weeks 1–13

Second

Weeks 14–27

Third

Weeks 28–40

Popular Weeks

Wk 4 Wk 8 Wk 12 Wk 16 Wk 20 Wk 24 Wk 28 Wk 32 Wk 36 Wk 40
View All 40 Weeks
Baby

👶

Newborn

0–4 weeks

By Month

1mo 2mo 3mo 4mo 5mo 6mo 7mo 8mo 9mo 10mo 11mo 12mo
View All Months
Tools

Pregnancy Calculators

Due Date Calculator Ovulation Calculator Conception Calculator Fertility Window Pregnancy Weight Gain BMI Calculator

Baby Tools

Baby Growth Tracker All Tools
Baby Names
Articles
Login
Join Free

Login Join Free

Home
Baby Names
Sebastian

Sebastian

Boy

✨

Meaning

Venerable; revered

Origin

Greek

Religion

Christian

🔍

Explore More Names

Browse All Names

Get Weekly Pregnancy & Baby Updates

India's most trusted companion for your pregnancy journey, baby development, and parenting questions — answered day by day.

Pregnancy

Week 1
Week 4
Week 12
Week 20
Week 28
Week 36
Week 40
All Weeks →

Baby

Newborn
1 Month
3 Months
6 Months
9 Months
12 Months
All Months →

Tools

Due Date Calculator
Ovulation Calculator
BMI Calculator
Weight Gain
Fertility Window
Baby Names
All Calculators

Company

About Us
Contact
Articles
Parenting
Privacy Policy
Terms of Use
Medical Disclaimer
Sitemap

© 2026 DayByDay.in. All rights reserved. Made with in India.

Medical Disclaimer: Content is for informational purposes only. Always consult your doctor.