Keyphrases
Amenorrhea
16%
Bleeding
34%
Clinical Trials
29%
Contraception
35%
Contraceptive Methods
16%
Contraceptive Use
36%
Contraceptives
53%
Copper T
31%
Egg Transport
26%
Embryo Transport
17%
Emergency Contraception
34%
Endometrium
22%
Estradiol
74%
Estrogen
24%
Ethinylestradiol
19%
Fallopian Tube
27%
Fertility Regulation
26%
Fertilization
22%
Follicle
16%
Genital Tract
16%
Infant Growth
19%
Intrauterine Device
16%
Lactating Women
19%
Lactation
30%
Lactational Amenorrhea
31%
Levonorgestrel
100%
Luteal Phase
19%
Luteinizing Hormone
32%
Mechanism of Action
17%
Megestrol Acetate
18%
Menstrual Cycle
30%
Mifepristone
29%
Nestorone
25%
Norplant
34%
Nursing
24%
Nursing Women
44%
Ovarian Function
21%
Oviduct
98%
Ovulation
87%
Ovum
45%
Ovum Transport
29%
Placebo
21%
Plasma Parameters
26%
Progesterone
57%
Progestin
25%
RU486
44%
Spermatozoa
18%
Subdermal Implant
53%
Uterus
33%
Vaginal Ring
32%
Medicine and Dentistry
Amenorrhea
7%
Antigestagen
8%
Bleeding
25%
Breast Feeding
7%
Clinical Trial
20%
Contraceptive Agent
14%
Contraceptive Implant
19%
Corpus Luteum
8%
Diethylstilbestrol
19%
Elcometrine
23%
Emergency Contraception
21%
Endometrium
20%
Ethinylestradiol
8%
Etonogestrel
14%
Fallopian Tube
16%
Fertilization
21%
Follicle
17%
Follicular Phase
7%
Gestagen
30%
Gonadotropin
8%
Human Embryo
7%
Implant
49%
In Vitro
8%
Intrauterine Device
17%
Lactation
14%
Lactational Amenorrhea
9%
Levonorgestrel
59%
Low Drug Dose
11%
Luteal Phase
11%
Luteinizing Hormone
10%
Megestrol Acetate
10%
Meloxicam
7%
Menstrual Cycle
17%
Mifepristone
36%
Mucus
7%
Nuclear Membrane
7%
Oocyte
17%
Oocyte Transport
18%
Ovary Function
17%
Oviduct
18%
Ovulation
47%
Ovum
27%
Placebo
7%
Pregnancy Rate
8%
Progesterone
35%
Silastic
12%
Subdermal Implant
28%
Ultrastructure
9%
Vagina Ring
16%
Volunteer
9%