Your baby moves through different stages, starting as a blastocyst, then maturing into an embryo, and then a fetus. Around the five week mark, your baby’s heart will begin to beat, at 27 weeks they’ll have regular sleep and wake cycles, and at 39 weeks your baby is physically developed.
Your embryo has completed the most critical portion of development. Their skin is still translucent, but their tiny limbs can bend and fine details like nails are starting to form. Read about your pregnancy at 10 weeks.
See how your baby is developing at 27 weeks of pregnancy. Your baby can now open and close her eyes. Your baby sleeps and wakes at regular intervals. See how your baby is developing at 27 weeks of pregnancy. Your baby now weighs nearly 2 pounds/ 875 grams and measures 14.5 inches/ 36.6 centimetres from head to toe.