Short answer: yes, it's real. And science backs it up. But before we get into that, here's a quick explanation if you're not familiar.

Context Explanation

PMS stands for premenstrual syndrome, and it's a collection of ... The meaning of DOES is present tense third-person singular of do; plural of doe. Definition of does verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Insight Material

DOES meaning: 1. he/she/it form of do 2. he/she/it form of do 3. present simple of do, used with he/she/it. Learn more.

Final Conclusion

Medscape: Premenstrual Syndrome and Premenstrual Dysphoric Disorder: Quality of Life and Burden of Illness Premenstrual Syndrome and Premenstrual Dysphoric Disorder: Quality of Life and Burden of Illness