PMC6586602_01
aMT6s profiles (excretion rate, mug/h) across days-off and work days in pregnant day workers during the third trimester. Each graph (B, C, D, E, F) represents a different participant. day-off and  workday.
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fig4
aMT6s profiles (excretion rate, mug/h) across work nights and nights-off in pregnant night workers during the third trimester. Each graph (G,H,I) represents a different participant.  night-off before night work;  night work and  night-off after night work.
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fig5
Fig. 5. For these participants, melatonin suppression was observed during the night shift, as shown by lower melatonin production during night work and higher levels at night before and/or after night shift (Fig. 5).