Menstrual Cycle Phases | Female Reproductive System | Follicular Luteal Proliferative Secretory

Menstrual cycle explained: includes hormone phases in a woman explained (of the female reproductive system). These phases include the ovarian phases: Follicular, Ovulation, and Luteal and the uterine phases: Menstrual, Proliferative, and Secretory. A typical menstrual cycle in a woman is 28 days. The follicular phase of the ovarian cycle is approximately 1-13 cycle days and occurs simultaneously as the menstrual and proliferative phase of the uterine cycle. The menstrual phase occurs cycle days 1-6, while the proliferative phase occurs cycle days 7-14. During the menstrual phase, the stratum functionalis layer of the endometrium is shed. This phase occurs during the follicular phase. During the follicular phase the hypothalamus is releasing gonadotropin releasing hormone (GnRH) which stimulates the anterior pituitary gland to release follicular-stimulating hormone (FSH) and luteinizing hormone (LH). FSH stimulates the follicles in the ovary to mature. One follicle will mature into what is called a Graafian follilce which will release a mature egg called an ovum. As the follicle matures it steadily releases estrogen which causes the uterus to rebuild the stratum functionalis layer of the endometrium (during the proliferative phase) for possible implantation of a fertilized ovum. Once the Graafian follicle is mature estrogen peaks to a point where it will cause a positive feedback loop to the anterior pituitary gland which will cause a massive amount of luteinzing hormone to be release (known as the LH surge). LH causes the wall of the graafian follicle to break down and helps release the egg. Luteinizing hormone also turns the follicle into the corpus luteum. 24-36 hours after the LH surge ovulation occurs. Ovulation tends to occur on cycle day 14. Next is the luteal and secretory phase which occurs simultaneously as well. During the luteal phase, the corpus luteum is formed which releases progesterone and estrogen. These hormones play a role in making the endometrium ready for possible implantation. If pregnancy does not occur the corpus luteum will die in 14 days and turn in the corpus albicans and progestrone and estrogen levels will drop. This will signal for the hypothalamus to release GnRH which cause the anterior pituitary gland to release FSH and LH causing the reproductive cycle to start all over again. If fertilization of the ovum occurs, the fertilized egg will release HcG. HcG will prevent the corpus luteum from dying so pregnancy can be maintained. Once the placenta is fully developed it will take over with the secretion of progesterone and estrogen (which will occurs around 8 weeks gestation) and then the corpus luteum will die.
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[@RegisteredNurseRN]

Thank you all for watching the video! Don't forget the: Quiz: www.registerednursern.com/menstrual-cycle-nclex-quiz/ Lecture Notes: www.registerednursern.com/menstrual-cycle-reproductive-cycle-nclex-review/ More Videos: kzbin.infovideos Instagram: instagram.com/registerednursern_com/ Facebook: facebook.com/RegisteredNurseRNs Twitter: twitter.com/NursesRN

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This woman deserves a lot of views. Made more sense than any professors in my school.

[@RegisteredNurseRN]

Aww, thank you so much for your kind words, Sharla :) I really appreciate it. THANK YOU for watching the video!

[@LongNguyen-ho7qe]

I agree!!

[@timothygenaw2199]

She definitely helps you understand. I don't memorize these word for word because I go by my professors expectations of what to know for tests but Sarah helps you understand the big picture.

[@lattymo]

Say this again!!

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you are obviously the person who should be receiving my tuition payments because I learn more here than class

[@kaliegoheen6441]

Between all of my pre reqs and nursing courses, nobody has explained this better than you! you have the gift of teaching!!! thank you for putting so much time and effort into your videos.

[@carlarespuesto7669]

exactly!

[@BryanMo]

I'm in first-year med and repro is beginning to get a little difficult. Your explanation is more organized than almost all of my tutors and lecturers' explanations. Thank you so much!

[@RAWRxPUCCA]

Thanks so much Sarah, you make nursing school so much more understandable than the textbooks! Couldn't do it without you!

[@RegisteredNurseRN]

Thank you so much for the very kind comment, Vanessa :) I'm so honored you are using my videos to help you study. Thank you for that. I wish you the best in nursing school!

[@ladyysta]

You are correct!

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I sat through a 3-hour lecture today and didn't learn as much as I just did while watching this 15-minute video. You are so amazing!! It's so hard to determine what is important and what is not in the textbook. My teacher said there is so much fluff and we need to figure out what is important and what isn't. Nursing school is stressing me out so much. This video lays it out so clearly and isn't intimidating. I'm so thankful for your amazing help

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[@jacquelinerichards9070]

Hi Sarah, I did my Nclex for the first time and I was successful with 75 questions .Thank you so much for your help you really have a great programme, God bless you Sarah,

[@RegisteredNurseRN]

Congratulations, Jacqueline! I'm so happy for you! Thank you for using my videos to help you prep. I'm very honored! I wish you the best in your new career as a nurse! Best wishes!

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Congrats!

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Ok, this lady's face is so beautiful, and so is her teaching skills. I wish my instructor explained this topic as good as this lady does here. Became a fan of her channel. This video helped me so much to understand this topic.

[@homehere9817]

Hey nurse Sara! I just wanted to share with you I took my NCC WHNp-BC (women’s health nurse practitioner board certification) exam last Thursday and found out today I passed! I watched a lot of your nursing videos pertaining to women’ health topics (Ob/GYN), including this one, as a review and they were very helpful in preparing for this tough exam! I had to say thank you!

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Being a male nursing student in OB my senior year is very challenging. Thank you for explaining to me in such good detail

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It occurred to me that obstetrics was difficult until i started listening to the adorable Nurse Sarah. with your simplified tutorials coupled with the trial exams things have really change. Thank you very much

[@jaripeyera]

Dearest Nurse Sarah, I want to thank you for all your videos. You have truly been a blessing as I take on this Nursing journey. I always find myself coming back to your videos. Thank you for being so detailed and for making everything make sense. You are doing G-d's work helping all of us through Nursing School.🙏💗

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Perfectly explained CRYSTAL CLEAR!!! I remember having a hard time learning this in class. But right now I can even summarize it confidently! Great JOB!!!!

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i CANT TELL YOU HOW MUCH I APPRECIATE YOU!! and the fact that you added detailed notes!!! i understand this NOW!!! thank you

[@sashmp3869]

thank you Sara! I've sat down and watched your videos along with following up with my textbook. You turned 3 hours of reading into 15 minutes!

[@RegisteredNurseRN]

Thank you so much for the comment. I'm so happy the video helped you...that makes me so happy :) Best wishes in your studies!

[@jessicah02jh]

I was reading my OB book and my eyes were crossing because I had no idea what it was saying. I did a search for Hypothalamic Pituitary cycle and your video popped up. Sooooooo glad it did. You made everything make sense! Thank you!

[@kvillanoa2592]

your such an angel Sarah!!! now i have more time for my family i dont have to spend half a day reading this very confusing concept.

[@kaitlinmackinnon7714]

This explained the menstrual cycle better than my professor's 3 hour lecture and slideshow. THANK YOU!!!

[@Kat-il4ix]

I love your brain because I wouldn't be able to compute this at all. Thanks Sarah for being a life savor for nurses in training!!

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We the nursing students really needs the teachers like you in nursing school, your are so professional. Thank you so much for your hard work to post all videos.

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I finished my first year of nursing school with your help, my teachers suck . Thank you

[@madisonsmith4586]

Your videos are what helped me pass my A&P II final exam today. Thank you so much.

[@ediannareyesovalle9636]

Omg! You actually helped me to understand this very difficult topic! Love you Sarah ❤️

[@karunajaishi4352]

during my nursing school days I didn't understand about menstrual cycle. After watching your video I understand it well. I wish I would have known about your KZbin channel earlier so that I would be able to understand everything. you are so perfect teacher.

[@celinacollins403]

Thank you so much Sarah, i used to read my books everytime i forgot about the cycle, and its really hard for me to remember, but now after watching your video, its really a big help for me. I understand it now. Thank you so much. Wish me luck for my exams. :)

[@luizaalvesdeoliveira3206]

I am still doing my prerequisites and I found your video to help me with AP1! best video I found!!!

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I explain things to my professors that they don't know and correcting to them thanks to your videos. Truly your videos makes life easier

[@TheGoalisSublime]

This was the most thorough explanation ive heard. Every other one is missing something important

[@johnduong3613]

Thank you so much for spending time and effort to make this concept much easier to understand. I took me half day to read the textbook and still confused about those stages. After watching your video, now I can confident to take the exam.

[@user-gc4yz7hs2b]

I really appreciate you breaking down the topics so its easy to understand and quick to recall. I am studying the menstrual cycle not just for the my ati teas but to also helped myself understand the science behind it and Thank you for your time and you are an amazing instructor ! ❤

[@gabriellaggrace]

In lecture the instructors rush through power points and this was definitely one topic that should have been explained the way you did! Even reading the book wasn't as helpful as your video was. It was very clear and helped me to understand the different phases of the cycle and how it all worked together! Thank you very much!

[@RegisteredNurseRN]

Thank you so much for the kind words :) It really means a lot to me that my videos are helping you! I"m honored to help!

[@dianaphilip1711]

Sarah,you are an amazing teacher . You make it so easy to understand and remember it too. Please do an NCLEX RN series for Psychiatric nursing. Thanks a lot.

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Oh my gosh….the way she explains everything is just so clear and precise

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Thank you so much for this.This makes so much more sense than what my teacher lectured on.

[@RegisteredNurseRN]

I'm so happy you liked the video! Thank you for taking the time to leave a comment. I appreciate it.

[@ashleyvilla8811]

I'm not a med student, just wanting to learn more about all the phases my menstrual cycle goes through in detail :) This video is incredibly informative. Thank you so much! I'm taking notes down myself to help me stay in tune with my body.

[@brownizora]

I was really stressing and straining myself trying to understand what my bio book was talking about. Then i found this video and i started connecting the dots. I just want to say thank you so much you truly are helpful.

[@RegisteredNurseRN]

Thank you very much for taking the time to watch the video and for leaving this comment. I really appreciate it :)

[@emilypaille8704]

CONGRATULATIONS ON YOUR PREGNANCY SARAH! I told all my classmates and we are all so happy for you. Its a great time for us to be in maternity/peds for us ;)

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You're a brilliant teacher! Please keep doing the great work! You are so detailed; a great quality and you make it easier for us to understand

[@RegisteredNurseRN]

Thank you very much for taking the time to watch the video and for leaving this kind comment. I really appreciate it :)

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I am glad I found you. I will pass the link to my friends. You are clear. Very good explanations. Thanks a lot.

[@RegisteredNurseRN]

Thank you so much, Anabella :) I really appreciate you helping me spread the word about my KZbin channel. I wish you the best in your studies!

[@drica6404]

thanks a lot for that class!! your videos are so good, they are helping me a lot during my graduation! it’s amazing! i used to think that understanding the menstrual cycle was so hard, but now i find it so beautiful that studying it makes me glad!

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I didn't think I would understand this by judging your board, but this totally worked for me! Thank you!

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Thank you so much. This helped a lot. I’ve watch your videos and it gave me better understanding. God bless you

[@eziekwuwinifred314]

You are too good!!! Nobody explains it better than you do❤. Thank you for always helping us❤

[@georgearevalo1]

Loved the video. You should definitely teach in a nursing program. Students would love you.

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im taking my hesi tomorrow in FL. I will be watching your entire channel until I fall asleep. You're the best ! come teach in New Jersey , we need more teachers like you !

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Thank you for this! Taking nclex soon and maternal has been my weakness. Again thank you for this detailed review ❤️

[@SaifUllah-yt7dn]

Only thing I can say is amazing, it was literally amazing lecture. I think we're just wasting our money in college and academy. Thanks for such a great lecture.

[@pedrozamora3520]

This video is so help full!!!!! Everything is so crystal clear.

[@RegisteredNurseRN]

Thank you very much! I'm so glad the video helped! Thank you for the kind comment and for taking the time to watch the video. I wish you the best in your studies!

[@hil3828]

Greatly appreciate this vid even though it's been years since it was made. 👏👏

[@drica6404]

Your vídeos are truly amazing! Thank you so much! I used to find the menstrual cycle very complicated, but you made it so easy😅 It really helped me!

[@mrgxyeppeu1168]

thank u so much for this, I really had a hard time understanding my textbooks but you made it all easier in this video

[@lakisamuhammad5397]

I'm a student midwife, and this video like your others was so incredibly helpful!

[@ngulusakeus2405]

This video is much clear and help full..!!! Thank you

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Omg lots of info in one video. I think I get it now. I was so confused. Imma watch it one more time and I'll be okay 😅🙏 indeed she is the best professor in history!!!

[@katerynasmith5162]

Absolutely awesome video. So short and so informative. You are a GREAT teacher!

[@RegisteredNurseRN]

Thank you so much for your kind words, Kateryna :) I really appreciate you taking the time to leave this comment and for watching the video!

[@binzbaker1728]

Thank you soo much for this video. I was very confused as to the stages. Easier to understand compared to other teachings I have had.

[@Flyingwithdale]

Wonderful video! Your enthusiasm and adorable accent made the video easy to follow and understand.

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Thank you for sharing your knowledge. Your vids are a huge help!

[@maddiegirlx4]

Thank you so much for the help! You are the best, better then my own professors!

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Thank you so much in explaining this in detail ! It help me a lot !

[@roy1257]

I'm following your channel from the beginning of my nursing school. It is helpful. Thanks.

[@RegisteredNurseRN]

Thank you so much, Roy! I really appreciate it! I'm honored to be a resource for you during nursing school!

[@tashidolma8287]

Thank you so much for taking so much effort. Love your way of teaching.

[@c0rc0rsays]

Thank you for this wonderful explanation and tying it all together!

[@Didi-yw1qz]

Excellent explanation! You are a great teacher and explain things in a clear and easy to understand manner. Thank you for your videos. From South Africa.

[@zooeypotatoes9027]

thank you! I was having a hard time understanding the overlapping in my stidies, you explained it all so perfectly, I finally understand :D ty ty!!

[@RegisteredNurseRN]

Thank you so much for the kind comment! I'm so happy you like my videos....thanks for watching them! I'm honored I could help!

[@zooeypotatoes9027]

RegisteredNurseRN Thank You again! :) and the honor is all mine :) I hope you'll keep making such educative and informative videos ^^ Your the best! Have an awesome day :)

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I was confused reading my text book, so I came to KZbin cause I already know my girl Sarah got me!

[@nayabshirazi5128]

ur way of teaching is very very good i had lot of confusion regarding this topic but now its crystal clear thanks mam

[@ceestudy5898]

Very grateful for all of your videos!❤

[@pinmu1]

This is fuch an amazing explanation! I was struggling to understand it completely even after reading and going through many videos. You made it all easy. Thanks a lot ma'am

[@rashmikaushik174]

The best teacher. Respect and love from india. Thanks a lot. 😊😊

[@mahriyeskitchen8745]

Thank you so much Sarah for sharing your knowledge. Your videos and tips really helped me a lot to pass NCLEX...

[@glendar1092]

once again you have helped me out tremendously! thank you!

[@RegisteredNurseRN]

Very awesome! I'm so glad you liked this video too. Thank you for taking the time to leave this kind comment. Best wishes in your studies :)

[@Ladylizanne23]

this is a great summary for a topic that has always eluded me. I am currently preparing to take my midwifery certification exam:) Thank you!

[@simranyadav4886]

You are a very brilliant teacher.And your lecture is very benefit for me in my education. I am from India .Thank u for everything you have done.🥳🌟🎉

[@sevFlo]

a woman explanation is everything thank yuuuuuuuuu

[@lnnocentnjazi4929]

thank you very much you are the best..MAY GOD CONTINUE TO YOU GIVE YOU KNOWLEDGE AND SKILLS

[@kartikeyshukla4937]

I am from India and I liked your way of teaching !!!🇮🇳

[@JessMcManus-RN]

I’ve been a nurse for 12 years and have never understood this until now😂 thanks!

[@Valerie95014]

Your amaziness is beyond words. Amen to your existence.

[@hannahjay1340]

thank you for making this video! Very helpful :)

[@KelvinRinjoya]

You are always my consultant in my medical course ❤

[@angelajaelu9875]

Thanks Sarah you make nursing easier. Bravo to the effort you put into it keep it up😘😘

[@janaolivova7134]

Thank you for helping me with studying for my MCAT!

[@RegisteredNurseRN]

Thank you for the amazing comment! I'm so honored to help you. I wish you the best on MCAT :)

[@janaolivova7134]

Thank you, I appreciate it!

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U literally saved my life😭😭😭 thank you sooo much

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WOW! this was an amazing video thank you SO MUCH!

[@zamanskymoore]

Extremely helpful!! I'm currently in maternity child nursing and this lecture helped me immensely!

[@RegisteredNurseRN]

Thank you for this kind comment. I really appreciate you taking the time to watch the video. I wish you the best in your studies!

[@lilianelias5468]

I have enjoyed alot I have exams tomorrow and I was not so sure of this institution but since now I am thanks alot

[@ranazubair1611]

Really good lecture you simplify the complex things very wisely keep it up

[@stephaniew.5366]

You're awesome! So sweet! Thank you for all your resources 😃

[@RegisteredNurseRN]

I'm so glad you liked this video. Thank you for taking the time to leave this kind comment. Best wishes in your studies :)

[@CardboardRN]

this is so great!!! so easy for this male student nurse to apprehend and memorize the cycle xD Thank you much!

[@blairbee3579]

Thank you so much! this was a very difficult concept to understand

[@pandopri]

Thank you so much for the amazing explanation!!!!

[@health2347]

thumbs up sarah. am a nursing student here in kenya and i love your clips

[@ladyysta]

Only you truly I understood your lecture.. its hard to read in briefly discussion at the book itself. but for you its really clearly.. Thank you maam. The quiz its quiet passing grade i got 9 out of 18..

[@ConLawElements]

Great video. Thank you!

[@healbyveronica6132]

This was such a helpful video. Thank you