Okla. Stat. tit. 63, § 63-1-745.32: Definitions

As used in this act:

1. "Fetal heartbeat" means cardiac activity or the steady and

repetitive rhythmic contraction of the fetal heart within the

gestational sac;

2. "Gestational age" means the amount of time that has elapsed

from the first day of a woman's last menstrual period;

3. "Gestational sac" means the structure comprising the

extraembryonic membranes that envelop the unborn child and that is

typically visible by ultrasound after the fourth week of pregnancy;

4. "Physician" means an individual licensed to practice

medicine in this state including a medical doctor and a doctor of

osteopathic medicine;

5. "Pregnancy" means the human female reproductive condition

that:

a. begins with fertilization,

b. occurs when the woman is carrying the developing human

offspring, and

c. is calculated from the first day of the woman's last

menstrual period;

6. "Standard medical practice" means the degree of skill, care,

and diligence that an obstetrician of ordinary judgment, learning,

and skill would employ in like circumstances;

7. "Unborn child" means a human fetus or embryo in any stage of

gestation from fertilization until birth; and

8. "Woman" and "women" include any person whose biological sex

is female including any person with XX chromosomes and any person

with a uterus, regardless of any gender identity that the person

attempts to assert or claim.