### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Human reproduction </primary> <hr> <main> <div style='float: left; width:99%; font-size:30px; text-align:left;'> </div> <!--<div style='float: right; width:1%;'>--> <!----> </div> </main> <hr> <footer style = "font-size: 18px"> $\rightarrow$ $\rightarrow$ <span style = "color:blue"> Human reproduction </span> $\rightarrow$ Reproductive cycle $\rightarrow$ Primates </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Reproductive cycle </primary> <hr> <main> <div style='float: left; width:100%; font-size:30px; text-align:left;'> </div> <div style='float: right; width:0%;'>  </div> </main> <hr> <footer style = "font-size: 18px"> $\rightarrow$ Human reproduction $\rightarrow$ <span style = "color:blue"> Reproductive cycle </span> $\rightarrow$ Primates $\rightarrow$ Estrous cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Primates </primary> <hr> <main> <div style='float: left; width:100%; font-size:30px; text-align:left;'> * Non Human Primates * Estrous cycle </div> <div style='float: right; width:0%;'>  </div> </main> <hr> <footer style = "font-size: 18px">Human reproduction $\rightarrow$ Reproductive cycle $\rightarrow$ <span style = "color:blue"> Primates </span> $\rightarrow$ Estrous cycle $\rightarrow$ Stages of estrous cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Estrous cycle </primary> <hr> <main> <div style='float: left; width:100%; font-size:30px; text-align:left;'> - **Polyestrous Animals-** Estrous cycles throughout the year (cattle, pigs, mice, rats). - **Monoestrous Animals-** One estrous cycle per year (dogs, wolves, foxes, and bear) - Poly- More - Mono- One </div> <div style='float: right; width:0%;'>   </div> </main> <hr> <footer style = "font-size: 18px">Reproductive cycle $\rightarrow$ Primates $\rightarrow$ <span style = "color:blue"> Estrous cycle </span> $\rightarrow$ Stages of estrous cycle $\rightarrow$ Stages of estrous cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Stages of estrous cycle </primary> <hr> <main> <div style='float: left; width:0%; font-size:30px; text-align:left;'> <!--1-Proestrus 2- Estrus 3- Metestrus 4- Diestrus--> </div> <div style='float: Center; width:100%;'> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/737daa6b-05a3-4a12-c35d-79a4d6dea800/public" width="50%"> </div> </main> <hr> <footer style = "font-size: 18px">Primates $\rightarrow$ Estrous cycle $\rightarrow$ <span style = "color:blue"> Stages of estrous cycle </span> $\rightarrow$ Stages of estrous cycle $\rightarrow$ Stages of estrous cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Stages of estrous cycle </primary> <hr> <main> <div style='float: left; width:100%; font-size:30px; text-align:left;'> * Proestrus- The first stage in the estrous cycle immediately before estrus characterized by development of both the endometrium and ovarian follicles. * Non Human Primates * Graafian Follical * LH $\uparrow$ * Corpus Luteum * Follicular stage * Luteal Phase </div> <div style='float: right; width:0%;'>   </div> </main> <hr> <footer style = "font-size: 18px">Estrous cycle $\rightarrow$ Stages of estrous cycle $\rightarrow$ <span style = "color:blue"> Stages of estrous cycle </span> $\rightarrow$ Stages of estrous cycle $\rightarrow$ Stages of estrous cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Stages of estrous cycle </primary> <hr> <main> <div style='float: left; width:100%; font-size:30px; text-align:left;'> * Non Human Primates * Endometrium </div> <div style='float: right; width:0%;'>  </main> <hr> <footer style = "font-size: 18px">Stages of estrous cycle $\rightarrow$ Stages of estrous cycle $\rightarrow$ <span style = "color:blue"> Stages of estrous cycle </span> $\rightarrow$ Stages of estrous cycle $\rightarrow$ Stages of estrous cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Stages of estrous cycle </primary> <hr> <main> <div style='float: left; width:100%; font-size:30px; text-align:left;'> * **Estrus**- The second stage in the estrous cycle characterized by a receptivity to a male and to mating. Also called as "heat" * **Metestrus**- The third stage in the estrous cycle characterized by sexual inactivity and the formation of the corpus luteum <div style='float: right; width:0%;'>  </div> </main> <hr> <footer style = "font-size: 18px">Stages of estrous cycle $\rightarrow$ Stages of estrous cycle $\rightarrow$ <span style = "color:blue"> Stages of estrous cycle </span> $\rightarrow$ Stages of estrous cycle $\rightarrow$ Menstrual Cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Stages of estrous cycle </primary> <hr> <main> <div style='float: left; width:100%; font-size:30px; text-align:left;'> * **Diestrus**- The last stage in the estrous cycle characterized by a functional corpus luteum and an increase in the blood concentration of progesterone * **Anestrus**- Is a prolonged period of sexual rest where the reproductive system is quiescent </div> <div style='float: right; width:0%;'>  </div> </main> <hr> <footer style = "font-size: 18px">Stages of estrous cycle $\rightarrow$ Stages of estrous cycle $\rightarrow$ <span style = "color:blue"> Stages of estrous cycle </span> $\rightarrow$ Menstrual Cycle $\rightarrow$ Menstrual Cycle </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Menstrual Cycle </primary> <hr> <main> <div style='float: left; width:50%; font-size:30px; text-align:left;'> - Menarche - $\downarrow$ 50 years - Menopause * Follicle Phase - Graafian Follicle (GF) * Luteal Phase - Corpus Luteum (CL) - Progesterone - FSH - LH </div> <div style='float: right; width:50%;'> <img src ="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/e65b5d5f-ff7a-44db-3247-766761400600/public" style= 'width:100%'> <!--<img src ="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/4e78597c-56c2-4082-6971-741dd8a04100/public" style= 'width:100%'>--> <!----> <!----> </div> </main> <hr> <footer style = "font-size: 18px">Stages of estrous cycle $\rightarrow$ Stages of estrous cycle $\rightarrow$ <span style = "color:blue"> Menstrual Cycle </span> $\rightarrow$ Menstrual Cycle $\rightarrow$ Fertilization </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Menstrual Cycle </primary> <hr> <main> <div style='float: left; width:50%; font-size:30px; text-align:left;'> * Follicular Phase * Graafian Follicle (GF) * Luteal Phase * Corpus Luteum (CL) * Progesterone * Bleeding </div> <div style='float: right; width:50%;'> <img src ="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/e65b5d5f-ff7a-44db-3247-766761400600/public" style= 'width:100%'> <!--<img src ="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/4e78597c-56c2-4082-6971-741dd8a04100/public" style= 'width:100%'>--> </div> </main> <hr> <footer style = "font-size: 18px">Stages of estrous cycle $\rightarrow$ Menstrual Cycle $\rightarrow$ <span style = "color:blue"> Menstrual Cycle </span> $\rightarrow$ Fertilization $\rightarrow$ Thank you </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Fertilization </primary> <hr> <main> <div style='float: left; width:50%; font-size:30px; text-align:left;'> * Ova + Sperm * Corona Rediata * Cumulus Oophorus * Zova Pellucida * 2nd Polar body </div> <div style='float: right; width:50%;'> <img src="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/6e6afc2f-11db-41ab-db0c-227cbcf54e00/public" style= 'width:80%'> <!--<img src ="https://imagedelivery.net/YfdZ0yYuJi8R0IouXWrMsA/1d0e83ad-8bea-467a-6f3f-920a495fda00/public" style= 'width:100%'>--> </div> </main> <hr> <footer style = "font-size: 18px">Menstrual Cycle $\rightarrow$ Menstrual Cycle $\rightarrow$ <span style = "color:blue"> Fertilization </span> $\rightarrow$ Thank you $\rightarrow$ </footer>

### <Success style="font-size:25px"> Reproduction Human Reproduction L-4 </Success> ### <primary style="font-size:24px"> Thank you </primary> <hr> <main> <div style='float: left; width:100%;'> </div> <!-- <div style='float: right; width:50%;'>--> <!----> </main> <hr> <footer style = "font-size: 18px">Menstrual Cycle $\rightarrow$ Fertilization $\rightarrow$ <span style = "color:blue"> Thank you </span> $\rightarrow$ $\rightarrow$ </footer>