{"id":5141,"date":"2020-06-15T10:09:17","date_gmt":"2020-06-15T10:09:17","guid":{"rendered":"https:\/\/www.lalpathlabs.com\/blog\/?p=5141"},"modified":"2023-10-12T12:45:37","modified_gmt":"2023-10-12T07:15:37","slug":"1st-trimester-weeks-development-physical-psychological-changes","status":"publish","type":"post","link":"https:\/\/www.lalpathlabs.com\/blog\/1st-trimester-weeks-development-physical-psychological-changes\/","title":{"rendered":"1st Trimester \u2013 Weeks, Development, Physical & Psychological Changes"},"content":{"rendered":"

\"first-trimester-image\"<\/p>\n

The typical pregnancy has three trimesters and lasts around 40 weeks from the first day of a woman\u2019s last menstrual period. In each\u00a0pregnancy trimester<\/a>,<\/strong>\u00a0the fetus will meet specific developmental milestones. Infants delivered before the end of week 37 are considered premature and may have certain complications in the long term with their growth and development, as well as difficulties in breathing and digesting.<\/p>\n

\"Pregnancy\"<\/p>\n

First trimester (1 to 12 Weeks)<\/strong><\/h3>\n

The\u00a0first trimester in pregnancy<\/a>\u00a0is the most crucial to the baby\u2019s development. During this period, the baby\u2019s body structure and organ systems develop. Most miscarriages and birth defects also occur during this period. Therefore, it is advised to be extra cautious during the first trimester in pregnancy.<\/p>\n

Fetal Development<\/strong><\/p>\n

Considered to be the most dramatic phase during pregnancy, the first trimester in pregnancy onsets fetal changes. During the first eight weeks, the fetus, called an embryo. The fetus by the end of the first trimester may measure up to 3 to 4 inches in length.<\/p>\n

\"1st-trimester-image-icon\"<\/p>\n

Physical Changes<\/strong><\/p>\n

During the first trimester of pregnancy, women\u2019s body undergoes major changes and these changes often cause a variety of symptoms. Some of the first trimester symptoms are as follows:<\/p>\n