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Week by week

Week 4

First trimester

Your baby is the size of a Poppy Seed

0.1 cm
Length
Weight

This week at a glance

❤️HeartbeatNot developed yet
🧠Major developmentEmbryo implants; pregnancy test turns positive

The embryo is now firmly implanted and the amniotic and yolk sacs are forming around it. Early placental structures are developing, and the three germ layers that form all organs are beginning to take shape.

Nutrition

Folic acidIronVitamin D

Leafy greens · Fortified cereals · Eggs · Beans · Oranges

Tips

Do

Avoid