Inclusion Criteria:  * Pregnant women who come for termination of pregnancy by CS or vaginal delivery  Gestational age is between 28-40 weeks.  The women will be divided into two groups:  Covid-19 infection during 3rd trimester group (n = 25) Control normal pregnancy group (n = 25).  Exclusion Criteria:  1) Diabetes mellitus 2) Chronic hypertension 3) Preeclampsia 4) Acute or chronic infectious diseases or other chronic illness 5) Twins pregnancy 6) Anti phospholipid antibody syndrome