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[Age and in vitro fertilization. French National Register on In Vitro Fertilization].

The mean age of IVF patients women and men is always increasing, this is probably due to the late desire for pregnancy nowadays. Pregnancy rate decreases with the age of wife and in a minor way with the age of man. The most important factor is the quality of woman answer to ovarian stimulation. Among women of 42 or over, the one with a high estradiol level on hCG day (> 4000 pg/ml) are the only older women with a correct pregnancy rate.

Adult↗
PubMed1996

[Effect of organic fertilizer and mineral fertilizer on the tuber yield of Curcuma longa L].

Regression method of orthogonal conic substitution with factors was employed to build up the tuber models for yield, quality and benefit. Three main measures affecting the tuber yield, quality and benefit were analyzed by these mathematical models. The effect of agronomic measures on the tuber yield is human and livestock excreta, rape cake > Ca3(PO4)2 > KCl. The optimal combination of farming practices has been obtained according to the analysis of these models.

Fertilizers↗