The onset of puberty in females triggers the shedding of unfertilised eggs and the LINING OF THE UTERUS. The lining of the uterus is shed each month if the mature egg is not fertilized. This process is called menstruation. The first menstrual period a young girl will have marks menarche.
Specialized hormones such as progesterone and estrogens play a vital role in the development and shedding of the lining of the uterus in each menstrual cycles.
It would be all of the awnsers is what i think, so well D I'm pretty sure
Do need the answer or examples
Answer:
That contraceptives such as condoms protect from STD's but not 100% protection from babies. Contraceptives such as the pill or IUD's do not protect against STD's but not completely effective either. Appropriate personal limits may include reducing the amount of sex you have or only doing what you are comfortable with
Explanation: