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The Menstrual Cycle (1)
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Tune in to understand the phases of the Menstrual Cycle.

Pranav Pundarik is teaching live on Unacademy Plus

Pranav Pundarik
I teach exactly what you need🎯 Cleared NEET, AIIMS, JIPMER and JEE. Explore the courses, enjoy, understand and excel in Biology❤️

U
Unacademy user
That peaceful Cuckoo's voice ❤️
sir , aap kya ho sir ... computer me samne itna lively teaching .. unbelievable ,amazing ... salute to you sir ... Proudly saying you are my favorite educator ... Thanks a lot .. Really enjoying your lessons .... 👌👌👌👌
Nb
very understanding sir
Sb
sir your teaching method is so cool and very understanding
sir kya ye sentence sahi h Estrogen increases after ovulation..pr estrogen to high proliferative phase me hota h na?
Aayushi Gupta
8 months ago
yes it is true ,if u will observe graph properly u can see the clear 2 peaks of estrogen 1st peak at ovulation time & the other 1after the ovulation at 26 or 27 th day.
Heharsh Rajkamal
7 months ago
Na na Saimin proliferation of endometrial cell cell na bleeding phase tak hota hai tabhi line line likhe haina sir ki max. till 23rd day
Gaurav raghav
7 months ago
provides high feeling of pleasure/or sexual pleasure
Heharsh Rajkamal
7 months ago
Nah.. re Gaurav hyperplasia means hyper reproduction of cell (jaise cancer me hota hai )
RK
Rohit Kumar
6 months ago
Hyperplasia means Hyper development or Hyper activity....in the presence on Estrogen hormone...
Debosmriti Debnath
6 months ago
okkk
  1. HUMAN REPRODUCTION A lecture series by Pranav


  2. THE HUMAN FEMALE REPRODUCTIVE SYSTEM


  3. THE MENSTRUAL CYCLE


  4. 2 a FSH LH Regressing Developing corpus luteum corpus luteum Developing follicle Mature follicle Ovulation Estrogen Progesterone Menses Days 5 79 11 Follicular phase (Proliferative phase) 13 15 17 19 21 23 25 27 29/1 Menstruatiorn Luteal phase (Secretory phase) Next cycle begins Figure 3.9 Diagrammatic presenation of various events during a menstrual cycle


  5. THE FOLLICULAR PHASE


  6. Proliferative phase Estrogenic phase >High hormone level (GnRH, FSH, LH etc) Teritiary follicle formed Endometrial hyperplasia >By end of this phase, Graffian Follicle is obtained Growth of Myometrium Ovulation takes place by end due to LH surge


  7. THE LUTEAL PHASE (14 DAYS FIXED)


  8. GnRH, LH, FSH low The ruptured follicle transforms into corpus luteum (by 22nd day, max dev) OW. >Corpus luteum degenerates (depends upon the condition) Endometrium development THICKNESS OF UTERINE WALL MAX ON 23rd DAY By the end, atrophy happens.


  9. THE BLEEDING PHASE (4-5 Days)


  10. Low hormone level Complete degeneration of corpus luteum The lining starts degrading through vagina Lasts for 4-5 days