claim: "pregnant women who stand for five to six hours at a time increase their risk of pre-term pregnancy by 80 percent."
author: michael solomon
evidence_1: aug 24, 2018 ... for the majority of women, pregnancy lasts about 40 weeks – but ... most  pregnancies (or about 90 percent of them, roughly speaking) last ... after giving  birth to your last child increases your risk of preterm birth. ... researchers have  found that women who stand for long periods of time (more than five hours ...
evidence_2: says kelli ward hosted a town hall on "chemtrail conspiracy theories" and is  open to sponsoring chemtrails legislation. ... "pregnant women who stand for five  to six hours at a time increase their risk of pre-term pregnancy by 80 percent.".
evidence_3: jan 31, 2017 ... there are several risk factors for preterm labor and premature birth, ... or obese  before pregnancy; short time period between pregnancies (less than ... other  factors that may increase risk for preterm labor and premature birth include: ...  stress; long working hours with long periods of standing; exposure to ...
evidence_4: mar 20, 2018 ... preterm labor is defined as labor that begins before 37+0 weeks of ...  approximately 10 percent of babies in the united states are born preterm; 80  percent ... conditions and other factors are known to increase a woman's risk. ...  ○a short interval (less than 12 to 18 months) between pregnancies (deliveries).
evidence_5: nov 10, 2010 ... (reuters health) - for the few women who manage to get pregnant after age ... “ increasing age leads to less (healthy) individuals, and less healthy ... placenta  previa occurred in nearly six percent, or about six times the overall rate. ... or  older, the risks of complications and preterm birth were even higher.