Combined oral contraceptive pills cocs
Sponsored Links
This presentation is the property of its rightful owner.
1 / 9

Combined Oral Contraceptive Pills (COCs) PowerPoint PPT Presentation


  • 183 Views
  • Uploaded on
  • Presentation posted in: General

Combined Oral Contraceptive Pills (COCs). Advanced Slide Set. Combined Oral Contraceptives Effectiveness. Spermicides. Female condom. Standard Days Method. Male condom. Oral contraceptives. DMPA. IUD (TCu-380A). Pregnancy rate when used correctly and consistently.

Download Presentation

Combined Oral Contraceptive Pills (COCs)

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Combined OralContraceptive Pills(COCs)

Advanced Slide Set


Combined Oral ContraceptivesEffectiveness

Spermicides

Female condom

Standard Days Method

Male condom

Oral contraceptives

DMPA

IUD (TCu-380A)

Pregnancy rate when used correctly and consistently

Female sterilization

Male sterilization

Pregnancy rate as commonly used

Implants

0

10

20

25

30

5

15

Percentage of women pregnant in first year of use

Source: Trussell, 2011.


Reduces risk by more than 50%

Protection develops after 12 months of use and is present for at least 15 years

Lifetime risk of acquiring ovarian or endometrial cancer after 8+ years of COC use

Number per 100 women

100

10

Ovarian Cancer

Endometrial Cancer

Non COC users

Non COC users

8

COC users

COC users

6

4

3.1

1.7

2

1.2

0.7

0.7

0.6

0.6

0.4

0.3

0.2

0.2

0.1

0

United States

Costa Rica

China

Protective Effect of COC Use onOvarian and Endometrial Cancer

Source: Petitti and Porterfield, 1992; CASH Study 1987.


Understanding Relative Risk Definition

Probability of developing condition X in exposed population

Relative Risk =

Probability of developing condition X in unexposed population


10

5

1

0.5

0.1

Understanding Relative RiskRisk Versus Protection

Relative Risk Log Scale

Increased Risk

Exposure increases risk of disease

No association

No Effect

Exposure decreases risk of disease

Protective Effect


10

Increased Risk

5

No Effect

1

Protective Effect

0.5

0.1

Understanding Relative RiskConfidence Interval

Relative Risk Log Scale

B

A

C

D

Statistical interpretation:

A – Significant risk

B – Nonsignificant risk

C – Nonsignificant protection

D – Significant protection


10

Increased Risk

No Effect

1

Protective Effect

0.1

Relative Risk for Breast Cancer among COC users and Non-users

Relative Risk Log Scale

1.0

1.24

[1.15–1.33]

1.16

[1.08–1.23]

1.07

[1.02–1.13]

1.01

[0.96–1.05]

[95% Confidence Interval]

Current COC users

1–4 yrs after stopping

5–9 yrs after stopping

10+ yrs after stopping

Non-users

Source: Collaborative Group on Hormonal Factors in Breast Cancer, 1996; Milne, 2005; Silvera, 2005 .


COC Users and Risk of Blood Clots

Estimates of venous thromboembolism per 100,000 woman-years

Pregnancy presents a higher risk of blood clots than do COCs.

Source: WHO, 1998; Speroff, 2005.


Estimated number of heart attacks per million woman-years

COC Users and Risk of Heart Attack

Screening for existing risk factors is important.

Source: Farley, 1998.


  • Login