How big will the gestational sac be after implantation?

Patient's question:

I got married last year. Recently, I've been experiencing lower abdominal pain, especially during my period. I'm very worried about it affecting my fertility, and I'm also extremely sensitive to cold and coldness. Please ask, how big will the gestational sac be after implantation?

Doctor's answer:

At five weeks of pregnancy, the average diameter of the gestational sac typically reaches 0.9 cm. A gestational sac size of 0.60.40.4 cm aligns with the approximate size of the fertilized egg about 11 days after implantation. However, these measurements can have some margin of error.
For your situation, it is recommended that you visit a hospital for an ultrasound examination. Active treatment to support the pregnancy is necessary. You should pay attention to rest, reduce physical activity, avoid sexual intercourse, and avoid unnecessary vaginal examinations to minimize stimulation to the uterus. Additionally, it is important to avoid excessive mental stress.

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