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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Psychosom Med. 2019 Jun;81(5):464–476. doi: 10.1097/PSY.0000000000000698

Fig. 2. Ambulatory blood pressure over pregnancy as a function of gestational age and gestational age at birth.

Fig. 2

Statistically adjusting for perceived stress, earlier gestational age at birth was associated with a more prominent U-shaped systolic (a) and diastolic (b) blood pressure trajectory over pregnancy. Gestational weeks were modeled continuously. Here results of the model are shown, with 34, 37, 39, and 41 weeks gestational age at birth selected based on criteria from Spong (2013) (42). 39 weeks gestational age birth was the mean of the sample. These results indicate that a subtle U-shape may be predictive of full term infants.