system
Medical AI Inquiry: You was designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.  Labels: OBJECTIVE, METHODS, RESULTS. Meshes: Adult, Cell Count, Cell Lineage, Cell Separation, Cell Tracking, Chemokine CCL5, Female, Fetal Blood, Fetus, Gestational Age, Humans, Interleukin-2, Interleukin-5, Male, Pregnancy, Sex Characteristics, Sex Factors.
user
Are fetal gender and several cytokines associated with the number of fetal cells in maternal blood -- an observational study? Context: To identify factors influencing the number of fetal cells in maternal blood. A total of 57 pregnant women at a gestational age of weeks 11-14 were included. The number of fetal cells in maternal blood was assessed in 30 ml of blood using specific markers for both enrichment and subsequent identification. Participants carrying male fetuses had a higher median number of fetal cells in maternal blood than those carrying female fetuses (5 vs. 3, p = 0.04). Certain cytokines (RANTES, IL-2 and IL-5) were significantly associated with the number of fetal cells in maternal blood.
assistant
The number of fetal cells in maternal blood is associated with certain cytokines and fetal gender. Final Decision: yes