A selective review of prenatal exercise guidelines since the 1950s until present: Written for women, health care professionals, and female athletes.

CONCLUSION: Research is needed to determine the upper limits of exercise frequency and intensity for pregnant women who are already trained. Healthy women and female athletes can usually maintain their regular training regime once they become pregnant. PMID: 26210535 [PubMed - as supplied by publisher]

http://www.ncbi.nlm.nih.gov/pubmed/26210535?dopt=Abstract

Source: Women Birth - July 22, 2015 Category: Midwifery Authors: Kehler AK, Heinrich KM Tags: Women Birth Source Type: research