Fig. 1

Flowchart of participants recruitment and data collection. SCSQ simplified coping style questionnaire, EPQ Eysenck personality questionnaire, PSSS perceived social support scale, BAI Beck anxiety inventory, BDI Beck depression inventory, EMSS Enrich marital satisfaction scale, PSQI Pittsburgh sleep quality inventory, TSH Thyroid-stimulating hormone, FT3 serum-free triiodothyronine, FT4 serum-free thyroxine, TG triglyceride, TC total cholesterol, HDL-C high-density lipoprotein-cholesterol, LDL-C low-density lipoprotein-cholesterol, Ca serum calcium, Fe serum iron, EPDS Edinburgh postnatal depression scale