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| '''For patient information, click [[Infertility (patient information)|here]]''' | | '''For patient information, click [[Infertility (patient information)|here]]''' |
| {{Infobox_Disease | | {{Infertility}} |
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| | {{CMG}} {{AE}} {{NS}} |
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| | DiseasesDB = 21627
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| | ICD10 = {{ICD10|N|46||n|40}}, {{ICD10|N|97|0|n|80}}
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| | ICD9 = {{ICD9|606}}, {{ICD9|628}}
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| | MedlinePlus = 001191
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| | MeshID = D007246
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| ==Overview== | | {{SK}} Subfertility |
| '''Infertility''' primarily refers to the biological inability of a [[man]] or a [[woman]] to contribute to [[fertilization|conception]]. Infertility may also refer to the state of a woman who is unable to carry a [[pregnancy]] to full term. There are many biological causes of infertility, some which may be bypassed with medical intervention. <ref name="pmid14569805">{{cite journal |author=Makar RS, Toth TL |title=The evaluation of infertility |journal=Am. J. Clin. Pathol. |volume=117 Suppl |issue= |pages=S95–103 |year=2002 |pmid=14569805 |doi=}}</ref>
| | ==[[Infertility overview|Overview]]== |
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| Women who are [[Fertility#Human fertility|fertile]] experience a natural period of fertility before and during [[ovulation]], and they are naturally infertile during the rest of the [[menstrual cycle]]. [[Fertility awareness]] methods are used to discern when these changes occur; by tracking changes in cervical mucus or [[basal body temperature]].
| | ==[[Infertility historical perspective|Historical Perspective]]== |
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| ==Definition== | | ==[[Infertility classification|Classification]]== |
| There are strict definitions of infertility used by many doctors. However, there are also similar terms, e.g. subfertility for a more benign condition and fecundity for the natural improbability to conceive.
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| ===Infertility=== | | ==[[Infertility pathophysiology|Pathophysiology]]== |
| Reproductive endocrinologists, the doctors specializing in infertility, consider a couple to be infertile if:
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| * the couple has not conceived after 12 months of contraceptive-free intercourse if the female is under the age of 34
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| * the couple has not conceived after 6 months of contraceptive-free intercourse if the female is over the age of 35 (declining egg quality of females over the age of 35 account for the age-based discrepancy as when to seek medical intervention)
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| * the female is incapable of carrying a pregnancy to term.
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| ===Subfertility=== | | ==[[Infertility causes|Causes]]== |
| A couple that has tried unsuccessfully to have a [[child]] for a year or more is said to be '''subfertile'''. The couple's fecundability rate is approximately 3-5%. Many of its causes are the same as those of [[infertility]]. Such causes could be endometriosis, or polycystic ovarian syndrome.
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| ==Prevalence== | | ==[[Infertility differential diagnosis|Differentiating Infertility from Other Diseases]]== |
| (This section needs proper numbers based on detailed statistics and studies. Please expand.)
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| ==Causes== | | ==[[Infertility epidemiology and demographics|Epidemiology and Demographics]]== |
| This section deals with unintentional causes of sterility. For more information about surgical techniques for preventing procreation, see [[Sterilization (surgical procedure)|sterilization]].
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| ===Primary vs. secondary=== | | ==[[Infertility risk factors|Risk Factors]]== |
| Couples with '''primary infertility''' have never been able to conceive,<ref name="titleMedlinePlus Medical Encyclopedia: Infertility">{{cite web |url=http://www.nlm.nih.gov/medlineplus/ency/article/001191.htm |title=MedlinePlus Medical Encyclopedia: Infertility |accessdate=2007-11-21 |format= |work=}}</ref> while, on the other hand, '''secondary infertility''' is difficulty conceiving after already having conceived and carried a normal pregnancy. Technically, secondary infertility is not present if there has been a change of partners.
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| Some women are infertile because their ovaries do not mature and release eggs. In this case synthetic FSH by injection or Clomid (Clomiphene citrate) via a pill can be given to stimulate follicles to mature in the ovaries.
| | ==[[Infertility natural history, complications and prognosis|Natural History, Complications and Prognosis]]== |
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| ===Causes in either sex=== | | ==[[Infertility impact|Impact]]== |
| Factors that can cause male as well as female infertility are:
| | ==Diagnosis== |
| *Genetic
| | [[Infertility history and symptoms|History and Symptoms]] | [[Infertility physical examination|Physical Examination]] | [[Infertility laboratory findings|Laboratory Findings]] | [[Infertility CT|CT]] | [[Infertility MRI|MRI]] | [[Infertility pelvic ultrasound|Pelvic Ultrasound]] | [[Infertility other imaging findings|Other Imaging Findings]] | [[Infertility other diagnostic studies|Other Diagnostic Studies]] |
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| *General factors
| | ==Treatment== |
| **[[Diabetes mellitus]], [[thyroid]] disorders, [[adrenal]] disease
| | [[Infertility medical therapy|Medical Therapy]] | [[Infertility surgery|Surgery]] | [[Infertility other therapies|Other Therapies]] | [[Infertility primary prevention|Primary Prevention]] | [[Infertility cost-effectiveness of therapy|Cost-Effectiveness of Therapy]] | [[Infertility future or investigational therapies|Future or Investigational Therapies]] |
| *Hypothalamic-pituitary factors:
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| **[[Kallmann syndrome]]
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| **[[Hyperprolactinemia]]
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| **[[Hypopituitarism]]
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| ===Combined infertility=== | | == Case Studies == |
| In some cases, both the man and woman may be infertile or sub-fertile, and the couple's infertility arises from the combination of these conditions. In other cases, the cause is suspected to be immunological or genetic; it may be that each partner is independently fertile but the couple cannot conceive together without assistance.
| | [[Infertility case study one|Case #1]] |
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| ===Unexplained infertility=== | | ==Related Chapters== |
| In about 15% of cases the infertility investigation will show no abnormalities. In these cases abnormalities are likely to be present but not detected by current methods. Possible problems could be that the egg is not released at the optimum time for fertilization, that it may not enter the fallopian tube, sperm may not be able to reach the egg, fertilization may fail to occur, transport of the zygote may be disturbed, or implantation fails. It is increasingly recognized that egg quality is of critical importance and women of advanced maternal age have eggs of reduced capacity for normal and successful fertilization.
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| ==Treatment==<!-- This section is linked from [[Pro-choice]] -->
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| {{Main|Assisted reproductive technology}}
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| Treatment of infertility usually starts with medication. [[In vitro fertilization]] (IVF) in addition to various forms and developments of it (ICSI, ZIFT, GIFT) is another solution. They all include that the fertilization takes place outside the body. On the other hand, an insemination can make a fertilization inside the body. Other techniques are e.g. tuboplasty, assisted hatching and PGD.
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| ==Ethics==
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| There are several ethical issues associated with infertility and its treatment.
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| *High-cost treatments are out of financial reach for some couples.
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| *Debate over whether health insurance companies should be forced to cover infertility treatment.
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| *Allocation of medical resources that could be used elsewhere
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| *The legal status of [[embryo]]s fertilized [[in vitro]] and not transferred [[in vivo]].
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| *Anti-abortion opposition to the destruction of embryos not transferred [[in vivo]].
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| *IVF and other fertility treatments have resulted in an increase in [[multiple birth]]s, provoking ethical analysis because of the link between multiple pregnancies, [[premature birth]], and a host of health problems.
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| *Religious leaders' opinions on fertility treatments.
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| *Infertility caused by DNA defects on the Y chromosome is passed on from father to son. If [[natural selection]] is the primary error correction mechanism that prevents random mutations on the Y chromosome, then fertility treatments for men with abnormal sperm (in particular [[ICSI]]) only defer the underlying problem to the next male generation.
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| ==Psychological impact==
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| Infertility may have profound psychological effects. Partners may become more anxious to conceive, ironically increasing [[sexual dysfunction]]. Marital discord often develops in infertile couples, especially when they are under pressure to make medical decisions. Women trying to conceive often have [[clinical depression]] rates similar to women who have heart disease or cancer<ref>Domar AD, Zuttermeister PC, Friedman R. ''The psychological impact of infertility: a comparison with patients with other medical conditions.'' J Psychosom Obstet Gynaecol. 1993;14 Suppl:45-52. PMID 8142988.</ref>. Even couples undertaking IVF face considerable stress, especially the female partner <ref> Beutel M, Kupfer J, Kirchmeyer P, Kehde S, Kohn FM, Schroeder-Printzen I, Gips H, Herrero HJG, Weidner W. ''Treatment-related stresses and depression in couples undergoing assisted reproductive treatment by IVF or ICSI.'' Andrologia. 31 (1999): 27-35.</ref>
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| ==Social impact==
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| In many cultures, inability to conceive bears a stigma. In closed social groups, a degree of rejection (or a sense of being rejected by the couple) may cause considerable anxiety and disappointment. Some respond by actively avoiding the issue altogether; middle-class men are the most likely to respond in this way <ref>Schmidt et al. "The Social Epidemiology of Coping with Infertility." Human Reproduction. 20 (2005): 1044-1052.</ref>.
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| There are legal ramifications as well. Infertility has begun to gain more exposure to legal domains. An estimated 4 million workers in the U.S. used the Family and Medical Leave Act (FMLA) in 2004 to care for a child, parent or spouse, or because of their own personal illness. Many treatments for infertility, including diagnostic tests, surgery and therapy for depression, can qualify one for FMLA leave.
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| ==See also==
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| *Infertility in science fiction | | *Infertility in science fiction |
| *Advanced maternal age | | *Advanced maternal age |
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| ==References==
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| {{reflist|2}}
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| {{Diseases of the pelvis, genitals and breasts}} | | {{Diseases of the pelvis, genitals and breasts}} |
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| [[Category:Gynecology]] | | [[Category:Gynecology]] |
| [[Category:Andrology]] | | [[Category:Andrology]] |
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| [[bg:Безплодие при човека]]
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| [[fr:Stérilité humaine]]
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