Pregnancy - week by week
A normal pregnancy lasts for about 40 weeks from the first day of menstruation (LMP) to the birth of the baby.
It is divided into three stages, called trimesters.
- First trimester (upto 12 weeks)
- Second trimester ( 13 - 26 weeks), and
- Third trimester ( 27 week to end of pregnancy).
During this, many changes take place in the fetus, we can feel them in different weeks.
| Time | Events |
|---|---|
| 10 - 12 weeks | Fetal heart beat can be detected by Doppler |
| 12 weeks | Screening test for trisomy 18 & trisomy 21 |
| 16 - 20 weeks | Fetal Movement (Quickening) |
| 16 - 28 weeks | Internal Ballotment |
| 18 - 20 weeks | FHS audible by Stethoscope |
| 20 weeks | External Ballotment |
| 20 weeks | Palpation of fetal part |
| 20 weeks | Active fetal movement felt by placing a hand on abdomen |
| 24 - 28 weeks | Gestational diabetes screening test |
| 28 weeks | Infant weighs about 1 kg (1,000 g) or 2 lb 2oz |
| 38 weeks | Lightening |
Related Topics
Stages of pregnancy month by month
Stages of pregnancy week by week
Body changes during pregnancy week by week
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