Abstinence: The practice of refraining from some or all aspects of sexual activity [1].

Abstinence

Amniotic sac: A fluid-filled sac that surrounds and protects a developing embryo or fetus in the uterus [1].

Amniotic sac

Blastocyst: An early stage of embryonic development, occurring after the morula stage and before implantation into the uterine wall [1].

Blastocyst

Chromosomes: Thread-like structures in the nucleus of a cell that carry genes, which determine an organism's traits [1]. Humans typically have 23 pairs [1].

Chromosomes

Consent: Permission for something to happen or agreement to do something, especially in the context of sexual activity [1]. It must be freely given, reversible, informed, enthusiastic, and specific (FRIES) [2].

Consent

Contraceptive: A device or medication used to prevent pregnancy [1].

Contraceptive

Dating Violence: A pattern of emotional, physical, or sexual abuse that occurs within a dating relationship [1].

Dating Violence

Estrogen: A primary female sex hormone crucial for the development and regulation of the female reproductive system and secondary sex characteristics [1].

Estrogen

Fertilization: The fusion of male and female gametes (sperm and egg) to form a zygote, marking the beginning of pregnancy [1].

Fertilization

Fetus: The stage of human development from the end of the embryonic period (around 8 weeks after fertilization) until birth [1].

Fetus

Harassment: Behavior that demeans, embarrasses, or harms a person, often based on their sex, race, religion, or other protected characteristics [1].

Harassment

Healthy Relationships: Relationships characterized by respect, trust, open communication, honesty, equity, safety, and support [1].

healthy Relationships

Menstruation: The monthly shedding of the uterine lining and unfertilized egg, occurring in females from puberty until menopause [1].

Menstruation

Ovaries: The female reproductive organs that produce eggs and female hormones like estrogen and progesterone [1].

Ovaries

Puberty: The period during which adolescents reach sexual maturity and become capable of reproduction [1].

Puberty

Semen: The fluid released during male ejaculation, containing sperm and fluids from the prostate and other glands [1].

Semen

Sexual abuse: Any sexual act without consent [1].

Sexual abuse

Sexually Transmitted Disease or ) Infection (STD/STI: Infections passed from one person to another through sexual contact [1].

Sexually Transmitted Disease or )Infection (STD/STI

Sperm: The male reproductive cell, which fertilizes an egg [1].

Sperm

Testosterone: The primary male sex hormone, crucial for the development of male reproductive tissues and secondary sex characteristics [1].

Testosterone

Zygote: A fertilized egg; the single cell formed when sperm and egg combine [1].

Zygote