FSHB and Infertility: Regarding the symbol of \documentclass[12pt]{minimal}\usepackage{amsmath}\usepackage{wasysym}\usepackage{amsfonts}\usepackage{amssymb}\usepackage{amsbsy}\usepackage{mathrsfs}\usepackage{upgreek}\setlength{\oddsidemargin}{-69pt}\begin{document}$${miv}^{*}$$\end{document}miv∗, the age, BMI, bFSH, and infertility duration is positive, indicating that with increasing the value of the above factors, the required GSD will increase accordingly.