Reproduction project

REProduction project

contraceptive methods

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Contraceptive methods are those used to prevent pregnancy. There are many methods that can be classified as natural and artificial.

Natural methodsThey are based on the physiological changes that occur during the female sexual cycle and their effectiveness is very low.

Artificial methodsThey use barrier devices, chemicals and surgical interventions.

I hope this little summary helps you.Bye!

Sara Moreno Conde

PRESENTAción

MICROPARTículas

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QUIMICAL

• Birth control pills, transdermal patches, vaginal ring and IUD:They are sexual hormones that alter the ovarian cycle and prevent ovulation, except for the hormonal IUD, which requires medical help.
• Spermicides: are substances in the form of creams, gels or suppositories that are placed in the vagina before intercourse and that prevent the life of sperm.

BARRIER Male condom: It is a latex sheath that is placed over the erect penis and collects the expelled semen. It prevents sperm from entering the uterus. Female condom: made of nitrile that is placed inside the vagina, preventing sperm from entering the uterus. diaphragm: latex disc that is placed inside the vagina and covers the cervix, preventing the passage of sperm. IUD: plastic and metal device that is placed inside the uterus and prevents the rise of sperm and the implantation of the zygote. It must be placed and removed by a doctor.

SURGICAL · Tubal ligation: operation in which the fallopian tubes are cut and sewn. · Vasectomy: intervention in which the vas deferens are cut and sewn, preventing sperm from coming out.