Contents

**Preface XI**


Preface

 

to the menstrual cycle.

and that of her future children.

knowledge on the issues of menstrual cycle.

The main indicator of women's reproductive health is the menstrual cycle. Matters concern‐ ing the physiology and pathology of menstrual function have great theoretical and practical significance. The critical importance of menstrual problems includes the long course of men‐ strual disease, the frequent relapse of menstrual disorders, and the appearance of post-hem‐ orrhagic anemia, which in turn leads to infertility and loss of women's ability to work.

The range of years when a woman has the ability to conceive and bear a child is called the reproductive period. This time span is closely related to the appearance of the physiological rhythm in the function of the female body, the external manifestation of which is connected

The menstrual cycle is a complex biological process in a woman's body: it is cyclic, its whole

By focusing on issues related to the menstrual cycle, a woman can help maintain her health

In this monograph, the reader will find sections treating various questions, such as: "What is a normal menstrual cycle?", "Which features of the cardiovascular system are related to the normal menstrual cycle?", "What is menstrual syndrome?", and "What is the relation‐ ship between carrying physical loads and the menstrual cycle?" Here, scientists from around the world have presented their own research, observations, and generalizations of

> Department of Theory and Methods of Teaching of Natural Sciences Hlukhiv National Pedagogical University of Alexander Dovzhenko

**Olena Ivanivna Lutsenko**

Ukraine

aim is reproduction, and it is manifested by menstrual bleeding.
