Can I do ProLon® if I’m pregnant? 22 February 2022 07:42 We suggest not following ProLon® if you are pregnant. Related articles Can I do ProLon® while breastfeeding? Can I use ProLon® with an existing health condition? Why should I avoid extreme temperature environments while on ProLon®? Do you experience ketosis while on ProLon®? How many cycles of ProLon® can be recommended to an individual in a one-year period?