1. 
   luteal phase defect
   Type: Term Definitions: 1. a condition characterized by inadequate secretion of progesterone during the luteal phase of the menstrual cycle, with resultant infertility; subnormal luteal function commonly attributed to abnormal pituitary gonadotropin secretion and ovarian follicle dysfunction. Synony...
   Found op http://www.medilexicon.com/medicaldictionary.php?t=23159
   
   
2. 
   luteal phase defect
   A luteal phase defect can refer to one of two problems with the luteal phase - the second part of the menstrual cycle, after ovulation has occurred. First, the phase itself may be too short (only ten days rather than the average 12 to 16), which does not give an embryo enough time to implant success...
   Found op http://www.babycentre.co.uk/glossary/l/
   
   
3. 
   luteal phase defect
   Inadequate function of the corpus luteum that may prevent a fertilized egg from implanting in the uterus or may lead to early pregnancy loss. ... (09 Oct 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?luteal+phase+defect
   
   
4. 
   Luteal Phase Defect
   A shortened luteal phase or one with inadequate progesterone production. There are two types of luteal phase problems that fall under the category of LPD. One is a short luteal phase -- 10 days or less. The second is when the length of the phase is not necessarily shorter than the standard 12-16 day...
   Found op http://www.pregnology.com/AZ/L/4
   
   

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