From the earliest times it was held that menstruation favors hysteria; more recently, Landouzy recorded a number of observations showing that hysterical attacks coincide with perfectly healthy menstruation; while Ball has maintained that it is only during menstruation that hysteria appears in its true color. See the opinions collected by Icard, La Femme pendant la Période Menstruelle, pp. 75-81.
Krafft-Ebing, "Ueber Neurosen und Psychosen durch Sexuelle Abstinenz," Jahrbücher für Psychiatrie, vol. iii, 1888. It must, however, be added that the relief of hysteria by sexual satisfaction is not rare, and that Rosenthal finds that the convulsions are thus diminished. (Allgemeine Wiener Medizinal-Zeitung, Nos. 46 and 47, 1887.) So they are also, in simple and uncomplicated cases, according to Mongeri, by pregnancy.
"All doctors who have patients in convents," remarks Marro (La Pubertà, p. 338), "know how hysteria dominates among them;" he adds that his own experience confirms that of Raciborski, who found that nuns devoted to the contemplative life are more liable to hysteria than those who are occupied in teaching or in nursing. It must be added, however, that there is not unanimity as to the prevalence of hysteria in convents. Brachet was of the same opinion as Briquet, and so considered it rare. Imbert-Goubeyre, also (La Stigmatisation, p. 436) states that during more than forty years of medical life, though he has been connected with a number of religious communities, he has not found in them a single hysterical subject, the reason being, he remarks, that the unbalanced and extravagant are refused admission to the cloister.