This claim is partially correct but misleading at the same time. Ozempic can affect blood sugar and body weight which is linked to fertility. Which means technically it can get your body ready for pregnancy. However Ozempic is not considered safe for pregnant women to use and are not supposed to take it up to 2 months before becoming pregnant. Therefore Ozempic can make your put your body in a better state to become pregnant, however your not even supposed to be taking it under 2 months before pregnancy.
"Since there's a close tie between blood sugar, body weight, and fertility, Ozempic seems like a possible tool to support women trying to become pregnant. The problem is that Ozempic is not considered safe for pregnant women and should be stopped when actively trying to conceive (TTC), so it's a delicate balance."
"Ozempic is not recommended for use during pregnancy, and those taking it are advised to stop at least two months before trying to become pregnant to make sure the medication is no longer in the body. Since a significant number of pregnancies are unplanned, it’s usually recommended to use birth control while taking Ozempic."
https://www.signos.com/blog/ozempic-and-pregnancy
"In some studies examining small animals exposed to glucagon-like peptide-1 receptor agonists in pregnancy, there has been evidence of adverse outcomes in the offspring, including decreased fetal growth, skeletal and visceral anomalies, and embryonic death. "
"The safety box warning on the manufacturer of Semaglutide's website states, “It is not known if [Semaglutide] will harm your unborn baby or pass into your breast milk. You should stop using [Semaglutide] 2 months before you plan to become pregnant.”
https://www.sciencedirect.com/science/article/abs/pii/S0002937824008640