Respuesta :
Trimester is another word you'll hear a lot of during your pregnancy. Trimesters are used to categorize pregnancies; the first trimester lasts from week one to week twelve. From week 13 through the end of week 26, the second trimester is comprised.
What occurs at 12 weeks of pregnancy?
Your infant measures about 6 cm. The fetus is now fully grown, with all of the organs, muscles, limbs, and bones in place, having nearly doubled in size over the previous four weeks.
What are the main reasons for nausea and vomiting in the first trimester of pregnancy?
Although the reason for nausea and vomiting during pregnancy is uncertain, it may be related to an increase in the concentration of human chorionic gonadotrophin.
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