Does taking Liu Wei Di Huang Pill have an effect on preparing for pregnancy?

According to the instructions for use of the drug, Liu Wei Di Huang Wan has the effect of nourishing yin and tonifying the kidneys, so for patients with deficiency of kidney yin, the drug can be taken during the preparation for pregnancy according to the identification. The adverse effects of the drug are not known, but pregnant women should take it under the supervision of a physician.
Six-flavored Dihuang Pill is composed of ripened rhubarb, cornelian cherry, moutan skin, yam, poria, etc. It has the effect of nourishing yin and tonifying the kidneys, and can be clinically used for the treatment of kidney yin deficiency, dizziness, ringing in the ears, lumbar and knee soreness and weakness, bone vaporization, tidal fever (a burst of heat, feeling that the heat is coming from the inside of the bone to the outside of the penetration of the heat), night sweating (sweating abnormally after going to sleep and waking up to sweat stop), semen leakage and other illnesses.
It should be noted that cold and flu medicines should not be taken during the use of the medicine. In addition, it should be taken by pregnant women under the guidance of a physician.
If you need to use Liuwei Di Huang Pill, it is recommended to go to a regular hospital, under the guidance of a professional physician to identify the symptoms of the treatment.