First trimester definition

First trimester means the first twelve weeks from conception based on an appropriate clinical estimate by a licensed physician.
First trimester means 1 through 14 weeks as measured from the first day of the last menstrual period or 1 through 12 weeks as measured from the date of fertilization.
First trimester means the first twelve (12) weeks of gestation;

Examples of First trimester in a sentence

  • First trimester screeningwhich includes blood work 10-13+6 wks and Nuchal Translucency (the measuring of nuchal fold thickness) can be performedbetween week 11+2-14+2 weeks.

  • First trimester ultrasound screening is effective in reducing postterm labor induction rates: a randomized controlled trial.

  • First trimester antenatal depression and anxiety: Prevalence and associated factors in an urban population in Soweto, South Africa.

  • First trimester exposure to topiramate and the risk of oral clefts in the offspring: A systematic review and meta-analysis.

  • First trimester amniocentesis between the seventh and 13th weeks: evaluation of the earliest possible genetic diagnosis.


More Definitions of First trimester

First trimester means the time period up to fourteen weeks after the first
First trimester means the time period from six up to fourteen weeks
First trimester means the time period up to fourteen weeks after the first day of the last menstrual period.
First trimester means the first 13 weeks of pregnancy calculated from the date of the last menstrual period.
First trimester means [begin strikeout]the first 13 weeks starting with the first day of a pregnant woman's last menstrual period and ending at the end of the 13th week, or[end strikeout] the first 13 weeks of a 40-week, full-term pregnancy[begin strikeout] as documented by a licensed health care professional[end strikeout].
First trimester means a period of a pregnancy measured from the first day of the last normal menses through the end of the fourteenth week or the first twelve (12) weeks of pregnancy as determined by physician examination.
First trimester means the first 12 weeks from conception based on an appropriate clinical estimate by a licensed