How long after knowing about the pregnancy should one go for a check-up?

Patient's question:

Sure, here is the translation of the content you provided:
```
No
```

Doctor's answer:

Hello, you need to regularly go to the hospital for follow-up checks. You can check once every 40 days, 3, 6, and 8 months. You need to increase nutritional supplements, including vitamins and trace elements, and follow a diet that is easy to digest and absorb.