When there are multiple factors within a chart that denote reproductive health concerns, Mercury/Saturn will often indicate a significant likelihood of the native being infertile.
Venus conjunct the Sun
Any planet that is in hard aspect with the Sun will result in the part of the body ruled by that planet being highlighted within the life of the native. Venus governs the uterus and the female reproductive system in general. Therefore, Venus conjunct the Sun may indicate that the native will experience reproductive issues as her primary health concerns in this lifetime.
Venus square Pluto
Venus/Pluto is the primary astrological constant for endometriosis and abnormal growths in the uterus.