The Lin Institute

A lot of studies have shown men's semen is the best drug for their wives; therefore, the men should stay healthy and eat nutritional foods https://pubmed.ncbi.nlm.nih.gov/15236978/
The Female Response to Seminal Fluid -https://journals.physiology.org/doi/full/10.1152/physrev.00013.2018

Why consider vaginal drug administration? - PubMed The safety and efficacy of vaginal administration have been well established. The vaginal route of drug delivery is acceptable and may even be a preferable route of administration for many drugs, particularly hormones, whether for contraception or postmenopausal estrogen therapy.