Related by context. Frequent words. (Click for all words.) 67 estrus 59 uterine contractions 58 spermatogenesis 57 ovulated 57 Physiologically 57 luteal phase 56 ovulate 56 menstrual cycles 55 Artificial insemination 55 menstrual cycle 55 reproductive hormones 55 menstrual bleeding 54 reproductively 54 pregnant mares 53 menses 53 mammary tumors 53 hormonal fluctuations 53 reproductive tract 52 mating 52 matings 52 foaling 52 ovulation 51 foals 51 ovarian function 51 neonate 51 hind limb 50 engorgement 50 heavy menstrual bleeding 49 adrenals 49 oviduct 49 genital tract 49 farrowing 49 preconditioning 49 arousals 49 replacement heifers 49 thyroid dysfunction 48 developmental abnormalities 48 circadian clocks 48 thyroid glands 48 antithrombin 48 thyroid hormones 48 female reproductive tract 48 inhaled nitric oxide 48 progesterone 47 spermatozoa 47 ovarian stimulation 47 zebra finches 47 L dopa 47 calves 47 moulting 47 reproductive organs 47 corticosterone 47 sexual dimorphism 47 embryo implantation 47 progestogen 47 serum concentrations 47 breastfed infants 47 prepubertal 47 neuronal activity 47 cryptorchidism 47 menstrual periods 47 hormone imbalances 47 dyskinesias 47 mammary gland 47 gaits 47 coccidiosis 47 recessive genes 46 ovarian cysts 46 calcium deficiency 46 cycles 46 skeletal muscles 46 muscle contractions 46 offspring 46 uterine lining 46 electrical conduction 46 ACTH 46 hormones 46 vocalisations 46 weaned calves 46 vaginal secretions 46 CMV infection 46 breeding 46 menstrual pain 46 neural cells 46 precocious puberty 46 lactation 46 Sexual dysfunction 46 embryo transfers 46 Calving 46 newborn calves 46 zygotes 46 vitamin supplementation 45 intestinal flora 45 embryogenesis 45 tubal 45 Sows 45 oocytes 45 molting 45 telomerase activity 45 sex hormone estrogen 45 Menstrual