What causes poor luteal function low progesterone -May be an cause for unexplained subfertility

Definition. When to suspect about LPD?? - Clinical Diagnosis-of LPD:- 1) If associated with Hyperprolactinaemia, 2) if short follicular phase : : Polymeno lead to as we know with less duration of Foll phase thereby there is less time for growth & dev of No. of Gr. Cells, 3) In women where cases with tonic rise of LH (in PCOS & Cases where one suspects there is possibility of Premature LuteinIzation and resultant poor functioning of such immature leutien cells.4)  In addition to  PRL, short Foll phase ,LH diosrders  Adenomyosis, Endometriosis, Aged women, may also lead suboptimal function of C luteumà LPD. Dies undernourished women aksp are rne to develop LPD. Ans: Yes. Thin women with less adipose tissue—therefore low leptin in serum. It is known that leptin if  low levelà then there is  suppress GnRH pulse ->low LH in luteal phase.