How do you find pregnant people to do your research on?

Question: How do you find pregnant people to do your research on?
- Keywords:
  pregnant,
  research
Asked by polka dot ladybirds to Theresia on 17 Nov 2014. This question was also asked by fluffy bunnys.
- Theresia Mina answered on 17 Nov 2014:
  
  Hiya,
  
  We recruit our research participants from the maternity clinic when they are waiting in the waiting room. We will explain what we are doing and if they are interested they’ll participate by attending a study visit.

Question: How do you find pregnant people to do your research on?