What are the reactions in the first week of pregnancy

Patient's question:

No

Doctor's answer:

Clinically, the number of days of pregnancy is calculated from the first day of the last menstrual period. Generally, there are no specific reactions in the first week of pregnancy. The primary symptom of pregnancy is amenorrhea, and around six weeks of amenorrhea, symptoms such as fatigue, sleepiness, morning nausea, and vomiting may appear.