Can I do an endoscopic sleeve gastroplasty if I have never had a child and plan to become pregnant within a year?

As it is a procedure that is performed by endoscopy it has its limits, by not removing the bottom of the stomach the effect of appetite is not diminished, it is best that you have your baby and then do a gastric sleeve by laparoscopy, through a single port, through the navel

Pregnancy after endoscopic sleeve gastroplasty (ESG) is generally considered safe, but there are some potential risks that women should be aware of. These risks include:
Nutritional deficiencies: ESG can reduce the absorption of certain nutrients, such as iron, calcium, and vitamin B12. This can lead to nutritional deficiencies in pregnant women, which can increase the risk of complications for both mother and baby.
Despite these potential risks, most women who become pregnant after ESG have healthy pregnancies and babies. However, it is important for women to talk to their doctor about the risks and benefits of pregnancy after ESG before they try to conceive.