17, 18 There are others who think that the adverse effect on luteal function is related to the high levels of serum estradiol and progesterone generated by multiple corpora lutea19, 20 Two meta- analyses of luteal phase support for IVF- ET cycles both found higher live delivery rates with supplement progesterone compared to placebo doxycycline for cellulitis dose The laboratory just advised he fell into the category less than 5