The Pregnancy Calculator can estimate a pregnancy schedule based on
the provided due date, last period date, ultrasound date, conception
date, or IVF transfer date.
Calculate Based On:
Your Due Date:
Last Period Date:
Ultrasound Date:
Conception Date:
IVF Transfer Date:
Results
Current Week
Week #23 (22 weeks 6 days)
Trimester
Second trimester
Progress
57% completed
Your Baby's Development
About 11.38 inches (28.9 cm) long and weighs around 1.1 pounds
(501 grams).
Likely conceived on Feb 11, 2025
Pregnancy Timeline
Week
Date Range
Trimester
Milestones
Complete Pregnancy Calendar
Second Trimester (Weeks 13-28)
Baby begins making noticeable movements
Can hear sounds from outside the womb
Gender can typically be determined
Premature baby may survive with medical care
Lungs begin developing breathing capability
Third Trimester (Weeks 29-40+)
Rapid growth and brain development
Baby practices breathing movements
Final positioning for birth (usually head down)
Full term reached at 39 weeks
Most organs are fully developed
Note: The results of this calculator are estimations based on
averages for single pregnancy. The results for twin pregnancy or
multiple pregnancy may differ.