Why double marker test in pregnancy?

More Questions

• What is triple marker test in pregnancy?
• How to do pregnancy test at home with salt?
• What is the meaning of faint line on pregnancy test?
• Is it necessary to test pregnancy with first urine?
• When should i take pregnancy test morning or night?
• What is an evap line on a pregnancy test?
• How to know positive pregnancy test?
• What to do after pregnancy test is positive?
• Why faint line on pregnancy test?
• What is a quad screen test for pregnancy?