As pregnancy progresses, nausea and vomiting disappear. However, a woman's body continues to change throughout pregnancy due to the action of oestrogen and progesterone.
For example, in the 12th week of pregnancy there is breast enlargement and darkening of the areolae. In addition, there may be heartburn and cramps in the legs and abdominal area.
Read the full article on: Twelfth Week of Pregnancy: the first trimester comes to an end ( 46).
By Marta Barranquero Gómez B.Sc., M.Sc. (embryologist), Xinxin Lin MD (gynecologist) and Zaira Salvador B.Sc., M.Sc. (embryologist).
Last Update: 07/31/2023