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Introduction: The normal plasma estrogen values associated with the upper limit of TSH and normal or low T4L, act on the estrogen’s effectors while female reproductive age. This situation causes metabolic alterations that compromise ovarian function, decrease ovulatory capacity, previously adjusted...
Introduction: The normal plasma estrogen values associated with the upper limit of TSH and normal or low T4L, act on the estrogen’s effectors while female reproductive age. This situation causes metabolic alterations that compromise ovarian function, decrease ovulatory capacity, previously adjusted to the subclinical hypothyroidism. Material and Method: 813 women were evaluated (between 21 and 41 years old), discriminated according to the values of TSH and FT4, in 3 groups: "without pathology, G-1"; "with pathology, G-2" and "undefined, G3". Appointments for menstrual disorders and reproductive desire, were relevant in “G-2” and “G-3”. The variables evaluated were: BMI and nutritional status; glucidic and lipid profile. The thyroid evaluation included: functional, immunological and morphological study. Finally, ovarian function: FSH - LH - Estradiol and Prolactin, hormonal colpocytology and gynecological ultrasound. Results: age, origin, age of menarche and initiation of sexual relations, shows parity between the groups. The metabolic results showed that in the "G-3", the percentage of overweight patients was intermediate between “G1” and “G-2”; the level of triglycerides was higher in “G-1” but lower than “G2”, and the insulin was slightly increased, but within normal values. The thyroid evaluation revealed significant differences of the "G-3" in relation to “G-1” and “G-2”. The ovarian profile revealed statistically significant differences for LH between “G-3” vs. “G-1” and “G-2”. The finding of ovarian alterations at ultrasounds showed the presence of micro polycystic ovaries with also significant differences. Conclusion: this work shows that the normalization of TSH and FT4 values restore normal ovarian function, jointly with the remission of gynecological alterations that constituted the initial reason for complain. The number of pregnancies achieved in the "indefinite group, G-3" (54 pregnancies, 79.4%) confirms the proposed hypothesis.
