This week-by-week calculator and calendar tells you exactly how many weeks pregnant you are right now and helps plan for the exciting months ahead!

Gestational Age
Today's Date:0wk1dDue Date:05/23/20
Date of Fertilization (2w1d):09/01/19Anatomy Scan (19-20 weeks):12/28/19 - 01/04/20
Fetal heart beat should be seen (7w0d):10/05/19Fetal movements felt (18-20 weeks):12/21/19 - 01/05/20
Ultrasound Screen (11w+2 - 13w+6):11/04/19 - 11/24/19Fetus becomes viable (24w0d):02/01/20
Triple Screen (15-18 weeks):11/30/19 - 12/22/19Glucose Screen (24-28 weeks):02/01/20 - 03/01/20
Amniocentesis (17-18 weeks):12/14/19 - 12/22/19Term delivery (37-42 weeks):05/02/20 - 06/07/20
20192020
AugSepOctNovDecJanFebMarAprMayJun
12w+1d6w+3d10w+6d15w+1d19w+4d24w+0d28w+1d32w+4d36w+6d41w+2d1
22w+2d6w+4d11w+0d15w+2d19w+5d24w+1d28w+2d32w+5d37w+0d41w+3d2
32w+3d6w+5d11w+1d15w+3d19w+6d24w+2d28w+3d32w+6d37w+1d41w+4d3
42w+4d6w+6d11w+2d15w+4d20w+0d24w+3d28w+4d33w+0d37w+2d41w+5d4
52w+5d7w+0d11w+3d15w+5d20w+1d24w+4d28w+5d33w+1d37w+3d41w+6d5
62w+6d7w+1d11w+4d15w+6d20w+2d24w+5d28w+6d33w+2d37w+4d42w+0d6
73w+0d7w+2d11w+5d16w+0d20w+3d24w+6d29w+0d33w+3d37w+5d42w+1d7
83w+1d7w+3d11w+6d16w+1d20w+4d25w+0d29w+1d33w+4d37w+6d8
93w+2d7w+4d12w+0d16w+2d20w+5d25w+1d29w+2d33w+5d38w+0d9
103w+3d7w+5d12w+1d16w+3d20w+6d25w+2d29w+3d33w+6d38w+1d10
113w+4d7w+6d12w+2d16w+4d21w+0d25w+3d29w+4d34w+0d38w+2d11
123w+5d8w+0d12w+3d16w+5d21w+1d25w+4d29w+5d34w+1d38w+3d12
133w+6d8w+1d12w+4d16w+6d21w+2d25w+5d29w+6d34w+2d38w+4d13
144w+0d8w+2d12w+5d17w+0d21w+3d25w+6d30w+0d34w+3d38w+5d14
154w+1d8w+3d12w+6d17w+1d21w+4d26w+0d30w+1d34w+4d38w+6d15
164w+2d8w+4d13w+0d17w+2d21w+5d26w+1d30w+2d34w+5d39w+0d16
174w+3d8w+5d13w+1d17w+3d21w+6d26w+2d30w+3d34w+6d39w+1d17
180w+1d4w+4d8w+6d13w+2d17w+4d22w+0d26w+3d30w+4d35w+0d39w+2d18
190w+2d4w+5d9w+0d13w+3d17w+5d22w+1d26w+4d30w+5d35w+1d39w+3d19
200w+3d4w+6d9w+1d13w+4d17w+6d22w+2d26w+5d30w+6d35w+2d39w+4d20
210w+4d5w+0d9w+2d13w+5d18w+0d22w+3d26w+6d31w+0d35w+3d39w+5d21
220w+5d5w+1d9w+3d13w+6d18w+1d22w+4d27w+0d31w+1d35w+4d39w+6d22
230w+6d5w+2d9w+4d14w+0d18w+2d22w+5d27w+1d31w+2d35w+5d40w+0d23
241w+0d5w+3d9w+5d14w+1d18w+3d22w+6d27w+2d31w+3d35w+6d40w+1d24
251w+1d5w+4d9w+6d14w+2d18w+4d23w+0d27w+3d31w+4d36w+0d40w+2d25
261w+2d5w+5d10w+0d14w+3d18w+5d23w+1d27w+4d31w+5d36w+1d40w+3d26
271w+3d5w+6d10w+1d14w+4d18w+6d23w+2d27w+5d31w+6d36w+2d40w+4d27
281w+4d6w+0d10w+2d14w+5d19w+0d23w+3d27w+6d32w+0d36w+3d40w+5d28
291w+5d6w+1d10w+3d14w+6d19w+1d23w+4d28w+0d32w+1d36w+4d40w+6d29
301w+6d6w+2d10w+4d15w+0d19w+2d23w+5d32w+2d36w+5d41w+0d30
312w+0d10w+5d19w+3d23w+6d32w+3d41w+1d31

How many weeks am I and why is it important?

Your pregnancy weeks help determine blood tests, ultrasound examinations, and more importantly when you can expect your baby to be born.  They also help you identify certain situations to learn what is normal and when to have procedures done. What is normal at 26 weeks may not be normal at 32 weeks. Also, tests that should be done at 20 weeks but are done at 16 weeks could be interpreted incorrectly.

How can I calculate important week-by-week information throughout my pregnancy?

This pregnancy calculator helps you find out exactly how many weeks pregnant you are right now, details your baby's development, and precisely what is happening to your body at the moment. Just enter your pregnancy due date or other information to create and calculate a personalized weekly and daily pregnancy calendar. The babyMed Monthly Pregnancy Calculator and Calendar is a week-by-week pregnancy calculator and calendar with information for each day of your pregnancy.

To create a Week-By-Week calendar choose from the following options:

  • Weekly Count: Follow new developments in weeks and days 
  • Daily Countup: Count up how many days you are into your pregnancy 
  • Daily Countdown: Count down your days left until your due date 
  • Fetal Weight: Available in ounces or grams
  • Ultrasound measurements: BPD, FL, HC, AC

The chart below provides links to detailed information about what happens each week during pregnancy.

1st Trimester 2nd Trimester 3rd Trimester
1 wk pregnant 14 wks pregnant 27 wks pregnant
2 wks pregnant 15 wks pregnant 28 wks pregnant
3 wks pregnant 16 wks pregnant 29 wks pregnant
4 wks pregnant 17 wks pregnant 30 wks pregnant 
5 wks pregnant 18 wks pregnant 31 wks pregnant 
6 wks pregnant 19 wks pregnant 32 wks pregnant 
7 wks pregnant 20 wks pregnant 33 wks pregnant 
8 wks pregnant 21 wks pregnant 34 wks pregnant 
9 wks pregnant 22 wks pregnant 35 wks pregnant 
10 wks pregnant 23 wks pregnant 36 wks pregnant 
11 wks pregnant 24 wks pregnant  37 wks pregnant 
12 wks pregnant 25 wks pregnant  38 wks pregnant 
13 wks pregnant  26 wks pregnant 39 wks pregnant
    40 wks pregnant
    41+ wks pregnant

Don't know your due date?  Use our Pregnancy Calculator to find out the exact due date, with dates for exciting pregnancy events.