Table 2 Items included in our study.
Items | Contents |
|---|---|
Social demographics | Pregnancy age, height of parents, nationality, education level, employment type, infants’ gender and body weight |
Illness and medical history | Paternal history of hypertension, diabetes mellitus, thyroid disorders, nephritis, heart disease, tuberculosis, hepatitis |
Parental living habits and nutritional status | Parental smoking and drinking status, maternal intake of folic acid and the time and length of folic acid use, Paternal use of contraceptives |
Parental psychological status before and during pregnancy | Life or work pressure, tensions in relationships with their colleagues and relatives, preparedness for pregnancy |
Environmental risk factors exposure | Parental exposure to radiation, organic solvents, pesticides and pets before and during pregnancy |
Parental reproductive health | Maternal history of adnexitis, presence of bacterium, trichomonas, chlamydia trachomatis, neisseria gonorrhoeae infection in maternal vaginal fluid, evidence of parental treponema pallidum antibodies, maternal infection of cytomegalovirus IgM and toxoplasma IgM, paternal history of mumps, orchitis, epididymitis and varicocele |
Maternal abnormalities during pregnancy | Vaginal bleeding, fever, diarrhea and abdominal pain during pregnancy |
Parental biological parameters | Maternal systolic and diastolic blood pressure; hemoglobin, red blood cell, platelet, white blood cell count, neutrophil ratio, blood glucose, alanine aminotransferase, creatinine, thyrotrophic hormone and hepatitis B surface antigen; paternal alanine aminotransferase, creatinine, and hepatitis B surface antigen |
