During the preparation for pregnancy, if there is a deficiency of kidney yin, you can take Liu Wei Di Huang Wan.
If there is no obvious discomfort during the preparation for pregnancy, it is generally not recommended to abuse the drug, so as not to affect the health of the fetus.
If there are symptoms of kidney yin deficiency, such as dizziness and tinnitus, low menstrual flow, lumbar and knee pain and weakness, hot flashes and night sweats (sweating abnormally after going to sleep and stopping after waking up), which affects normal preparation for pregnancy, then the principle of nourishing kidney yin should be followed, and Six-flavored Dihuang Pill should be used to regulate the condition, which is more helpful for preparation for pregnancy.
Six-flavored Dihuang Pill is composed of ripened rhubarb, cornelian cherry, moutanpi, yam, zedoary, poria, etc. It has the effect of nourishing the yin of the liver and kidney. Adverse effects and contraindications are not clear. Consult a medical practitioner for advice on the specific use of the drug.