FERTILITY TERMINOLOGY DICTIONARY
Absence of menstruation.
Research of the semen through fresh ejaculation under the microscope to count the number of millions of sperm per milliliter or cubic centimeter, to examine the shape and size of the sperm, and to observe their ability to move (motility).
Total absence of ovulation. Note: This is not necessarily the same as amenorrhea. Menstruation can occur if there is anovulation.
Complete absence of sperm in the ejaculation.
It is an embryo that has arrived at the fifth day of its development and has acquired all the capacities to implant itself to the uterus.
Chorionic Gonadotropin Hormone
This is the pregnancy hormone produced by the placenta after implantation of the blastocyst and is responsible for stimulating the corpus luteum of the ovary to produce progesterone during the first three months of pregnancy.
Implantation of an ovum fertilized by a spermatozoon (embryo in the woman’s uterus).
Structure that is formed after follicle rupture and ovulation (ovulation), responsible for the production of progesterone.
A problem existing in the ovary either from the liberation of the ovum or the development of it.
Term used to describe the early stages of growth of a fertilized ovum, from conception to eight weeks of pregnancy.
Inner lining of uterus.
Female disease that produces infertility due to the presence of endometrial tissue outside the uterus.
Type of female hormones, produced mainly by the ovaries from the onset of puberty to menopause, which are responsible for the development of secondary sexual characteristics, such as breasts.
First half of the menstrual cycle when the development of the ovarian follicle takes place and the ovum matures.
Penetration of the ovum by the spermatozoon and the union of genetic materials to achieve the development of an embryo.
Structure in the ovary that nourishes the developing egg and from which the egg is released.
Folicle Stimulating Hormone (FSH)
Hormone produced in the anterior part of the pituitary gland that stimulates the ovary in women to develop a follicle and prepare it for ovulation. In men, FSH stimulates the production of spermatozoa in the testicles.
Male and female reproductive cells, spermatozoon or ovum respectively.
Glands that produce gametes (the testicles in the man and the ovaries in the woman.
Adhesion of the fertilized egg to the lining of the uterus (endometrium).
Phase of the menstrual cycle starting after ovulation and ending in menstruation, during which progesterone is produced which is the hormone responsible for preparing the endometrium for the implantation of the embryo.
(LH) A hormone produced in the anterior part of the pituitary gland responsible for producing the final maturation of the oocyte and its expulsion by means of follicle rupture. It also stimulates the corpus luteum of the ovary to produce progesterone.
Presence of benign tumors of the uterus (fibroids) that can alter its structure and sometimes cause infertility or pregnancy loss.
Insufficient number of spermatozoon in ejaculations.
Female sex glands that produce hormones, estrogen and progesterone, and in which the eggs develop. There are two ovaries, one on each side of the pelvis.
Expulsion of a mature ovum in the middle of the menstrual cycle.
Couple who has never achieved a pregnancy.
Hormone secreted by the corpus luteum or ovary after ovulation has occurred. It is responsible for preparing the uterus for pregnancy. It also maintains the placenta during the early stages of pregnancy to prevent abortion.
Inability to conceive or achieve a pregnancy after having conceived and achieved one or more pregnancies.
Decreased fertile ability of the couple.
Male reproductive cells have important characteristics such as:
- Count (or density): Refers to the number of sperm present.
- Motility: refers to the percentage of sperm that demonstrates some type of forward movement.
- Morphology: Refers to the shape or appearance of the sperm.
- Viability: Refers to whether the sperm is alive.
Spermatozoid production process within the seminiferous tubules of the testis.
Absolute and irreversible inability to achieve pregnancy.
The male sex hormone produced in the testicles.
Term used when the reason of infertility is not found in the initial baseline study.
Hollow muscular organ in which the woman supports and feeds the fetus until the moment of birth.
Structure of the woman extending from the vulva to the cervix.
Dilation of the veins of the testicles that can affect the quantity or quality of spermatozoa.
Consistency of semen.
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