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Miscarriage rates among all fertilized zygotes are around 30% to 50%. [1] [7] [60] [123] A 2012 review found the risk of miscarriage between 5 and 20 weeks from 11% to 22%. [157] Up to the 13th week of pregnancy, the risk of miscarriage each week was around 2%, dropping to 1% in week 14 and reducing slowly between 14 and 20 weeks. [157]
A systematic review and meta-analysis in 2012 [16] concluded that there is insufficient evidence to establish a difference between metformin and clomiphene citrate in terms of ovulation, pregnancy, live birth, miscarriage, and multiple pregnancy rates in women with PCOS and a BMI less than 32 kg/m 2. [16]
Female fertility agents are medications that improve female’s ability to conceive pregnancy. These agents are prescribed for infertile female who fails to conceive pregnancy after 1-year of regular and unprotected sexual intercourse. [1] The following will cover the advancements of female fertility agents, major causes of female infertility.
Polycystic ovary syndrome, or polycystic ovarian syndrome (PCOS), is the most common endocrine disorder in women of reproductive age. [14] The syndrome is named after cysts which form on the ovaries of some women with this condition, though this is not a universal symptom and not the underlying cause of the disorder.
According to the World Health Organization (WHO), infertility can be described as the inability to become pregnant, maintain a pregnancy, or carry a pregnancy to live birth. [57] A clinical definition of infertility by the WHO and ICMART is "a disease of the reproductive system defined by the failure to achieve a clinical pregnancy after 12 ...
PCOS is a common reason why women have difficulty getting pregnant or have complications during pregnancy. This condition is also tied to several health problems , such as insulin resistance ...
A 1995 study reported that women age fifty or higher experience similar pregnancy rates after oocyte donation as younger women. They are at equal risk for multiple gestation as younger women. In addition, antenatal complications were experienced by the majority of patients, and that high risk obstetric surveillance and care is vital.
Miscarriage risks are those circumstances, conditions, and substances that increase the risk of miscarriage. Some risks are modifiable and can be changed. Other risks cannot be modified and can't be changed. Risks can be firmly tied to miscarriages and others are still under investigation.