Du Xixi had heard similar statements while on Blue Star, but she didn't really believe them herself. However, in Rome do as the Romans do; since it's commonly followed interstellar, Du Xixi saw no need to argue against it vehemently—just go with the flow.
After all, it wouldn't make a difference to anyone.
Moreover, although Ke Lian's generation had good relations with the Mo Family, Ke Xing and Mo's father and mother had only an amicable relationship, not close enough for frequent visits. Ke Xing's visit to congratulate at this time might seem too familiar, making people uncomfortable.
"I plan to visit Sister Mo Ying in the afternoon and bring her some snacks that pregnant women usually like." Du Xixi herself was familiar with the experience; though she had the Purification Talent to help, she didn't suffer much in the later stages. "Miao Miao, you can come with me. Sister Mo Ying will be happy to see Miao Miao."
