Current Date

Average Length of Cycle

Results

The First Trimester (weeks 1-12): -
The Second Trimester (weeks 13-27): -
The Third Trimester (weeks 28-40): -
Your Safe Range To Give Birth Is Between:

Significant Milestones in Embryo/Fetal Development

DescriptionDateWeek
Your baby is conceived
Week 2
Positive pregnancy test
Week 4
Organs begin to form, heart starts beating
Week 5
Major organs have formed, heart can be heard
Week 10
Second trimester, risk of miscarriage decreases
Week 12
Now is a good time to announce your pregnancy
Week 14
Your baby can now see light
Week 15
Your baby's gender is visible on ultrasound
Week 16
You can feel your baby move around
Week 18
Your baby can now hear sounds
Week 19
Premature babies have a chance to survive
Week 23
Third trimester, your baby can breathe
Week 27
Fingernails and toenails have formed
Week 32
Your baby is now considered full term
Week 37
Your baby is due any time now!
Week 40

Multiples - Due Dates by Average Gestation

TwinsTripletsQuads
37 weeks
33 weeks
32 weeks
First TrimesterSecond TrimesterThird Trimester
Week 1:
Week 13:
Week 28:
Week 2:
Week 14:
Week 29:
Week 3:
Week 15:
Week 30:
Week 4:
Week 16:
Week 31:
Week 5:
Week 17:
Week 32:
Week 6:
Week 18:
Week 33:
Week 7:
Week 19:
Week 34:
Week 8:
Week 20:
Week 35:
Week 9:
Week 21:
Week 36:
Week 10:
Week 22:
Week 37:
Week 11:
Week 23:
Week 38:
Week 12:
Week 24:
Week 39:
 Week 25:
Week 40:
 Week 26:
Week 41:
 Week 27:
Week 42: