Do I need to change my visa to give birth to a child on a ten-year visa in the United States?

Holding a ten-year tourist visa in the United States, you don't need to change your visa to have a baby.

Is there a requirement to enter the United States within one year after a ten-year visa?

I don't know,

With a visa valid for 10 years, you can buy a plane ticket at any time and then leave. How long you can stay in each entry depends on the immigration officer. For inbound passengers who have no doubt,

The usual residence period is 180 days;

Tip: Stay in the United States for no more than 30 days at a time, especially for the first or second time. The embassy occasionally targets individuals who stay for a long time.

Call back, if the problem is serious, you will be asked to take the original passport to the embassy for review;

What are the requirements for a ten-year multiple-entry visa in the United States?

The conditions for applying for a 10-year multiple-entry visa in the United States are as follows:

Applicants under 1, 14 and over 80 years old have no history of refusing visas in the United States;

2. The applicant renewed his previous US visa within 48 months after its expiration, and was over 14 years old when he obtained the visa before, and collected fingerprints to apply for the same visa type as last time.

Remarks: You don't need to prepare all kinds of "supporting materials" to apply for the US 10 visa through the "interview-free" process.