If you want to get the complete information about week by week pregnancy then nothing is better than reading this blog. Here, we have given you brief explanation on three trimesters of week by week pregnancy.
Pregnancy week by week brings new development in the body of a woman. Pregnancy period of 40 weeks may be distinguished into 3 trimesters. First trimesters starts from week 1 and finishes at 12th week. Second trimester starts from week 13th and finishes at 26th week and third trimester starts at week 27 and continues to term.
Week 1 to week 12: In this period or pregnancy week by week, child grows fast and forms all the organs as well as body structures, although it is small. For putting things into perspective, baby is tiny than a grain of rice. Week 4 makes woman realize that she is pregnant. Heart of baby begins beating within a week.
Week 13 to Week 26: Pregnancy enters into second trimester from thirteen week onwards and additional developments are there in pregnancy week by week. Baby further develops and slowly, vocal chords start forming, nervous system starts functioning as well as reproductive organs get completely developed. Eyelids, eyelashes, eyebrows, nails, toes and fingers also get formed. It is a time where one is able to see an ultrasound if it is a boy or a girl. By week 20, one is able to feel baby moving. Within next 3 to 4 weeks, skin of baby gets reddish in color and wrinkled with veins visible via translucent skin of baby.
Week 26 to week 40: It is the last stage during which pregnancy enters into its ending stage. During this period, fat begins depositing on baby. Her or his hearing is completely developed as well as can move with rhythm to music. By week 27, babies may also cry. By week 29, sense of smell, taste and sound are even developed. Week 32 is time when baby spends much of the time in sleeping. Lungs are completely developed, baby is able to open as well as close eyes and may grasp firmly. During these weeks, baby position alters for preparing itself for delivery.
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