Related Experiment Video
Updated: Aug 8, 2025

Fertility Preservation Through Oocyte Vitrification: Clinical and Laboratory Perspectives
Published on: September 16, 2021
Use of contraceptives by Roma women from Plovdiv region
Marieta Vladimirova1, Diruhi Amudzhiyan1, Teodora Momchilova1
1Medical University of Plovdiv, Plovdiv, Bulgaria.
Introduction:
The share of unwanted pregnancies and voluntary abortions among women from Central and Eastern Europe is still quite high, and Bulgaria is no exception to this statistic. This might be accounted for by the low frequency of use of contraceptives or their improper use. Our country is home to a variety of ethnic groups, with Roma being one of the most numerous, ranking third in population behind Bulgarians and Turks. This determines the influence of this ethnic group on the demographic indicators of the country.
More Related Videos
05:46Introduction of Intracapsular Rotary-cut Procedures IRCP: A Modified Hysteromyomectomy Procedures Facilitating Fertility Preservation
Published on: January 17, 2019
03:30Author Spotlight: Advancing Pelvic Prolapse Treatment with a Non-Mesh Approach using Laparoscopic Pectopexy
Published on: October 25, 2024
Related Concept Videos
Birth Control Methods
Infertility in Females
Endometriosis, a condition characterized by abnormal growth of...
Hormonal Regulation of the Menstrual Cycle
At puberty, GnRH begins a pulsatile release pattern, which triggers the anterior pituitary gland to secrete follicle-stimulating hormone (FSH) and luteinizing hormone (LH). The frequency and amplitude of GnRH pulses vary across the menstrual cycle, with faster pulses favoring LH release and slower pulses favoring FSH...
Hormonal Control of the Ovarian Cycle
Before puberty, the hypothalamus releases GnRH in a low frequency, low amplitude pulsatile manner. This along with the immature hypothalamic-pituitary-gonadal axis activity, results in low estrogen levels and the absence of a fully functional ovarian cycle. At puberty, GnRH secretion increases in both frequency and...
Ovaries
On the ovarian surface, a layer of...
Gonadal and Placental Hormones
In males, testosterone is the primary gonadal androgen. It plays a central role in the maturation of male reproductive organs — the penis and testes. Additionally, testosterone is instrumental in the development of secondary sexual characteristics — a deep voice as well as facial and pubic hair...